Free Printable back revision

1.

Rotation Rules (clockwise):

90^o rotation: (x, y)→(y, -x)

What are the coordinates for A' after a 90^⁰rotation clockwise?

a)

(1, 3)

b)

(3, 1)

c)

(3, -1)

d)

(1, -3)

2.

MCQ 02
Why can you see most objects?

a)

A. they emit light

b)

B. light refracts through them

c)

C. light reflects off them

d)

D. they absorb light

3.

MCQ 08
If a capital letter R is seen in an ordinary mirror, what does it look like?

a)

A

b)

B

c)

C

d)

D

4.

MCQ 011
According to the laws of reflection, if i = angle of incidence and r = angle of reflection,

a)

A. i = r

b)

B. i > r

c)

C. r > i

d)

D. i is not equal to r

5.

Section B1a
Given that the angle of incidence = 30 degrees
a. Draw a ray diagram, labelling clearly the normal, incident ray, angle of incidence, reflected ray and angle of reflection accurately.
Which is the correct diagam?

a)

A

b)

B

c)

C

d)

D

6.

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

a)

absorbed

b)

stopped

c)

reflected

d)

refracted

7.

The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:

a)

mirror

b)

laser

c)

reflection

d)

refraction

8.

The angle produced as a source of light bounces off a reflecting surface is called ______.

a)

angle of crookedness

b)

angle of reflection

c)

angle of incidence

d)

angle of bounce

9.

The ray of light that strikes a reflecting surface is called ________.

a)

incident ray

b)

reflected ray

c)

normal ray

d)

none of the above

10.

Which of the following is not a source of light?

a)

A. candle

b)

B. caver’s lamp

c)

C. mirror

d)

D. sun

11.

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

a)

equal

b)

double

c)

half

12.

What is reflection?

a)

Reflection is the bouncing of light off the surface that it strikes on.

b)

Reflection is the absorbing of light off the surface that it strikes on.

c)

Reflection is the bending of light off the surface that it strikes on.

d)

Reflection is the scattering of light off the surface that it strikes on.

13.

Which is NOT a source of light?

a)

sun

b)

lightbulb

c)

fire

d)

car

14.

Your light-sensing organ is your

a)

ear

b)

finger

c)

brain

d)

eye

15.

In order to see a picture it must

a)

produce light

b)

reflect light

c)

absorb light

16.

To get the best reflection from a mirror you need

a)

a very shiny surface to reflect lots of light

b)

to stand right in front of it

c)

to shine a bright light on it

d)

it to produce light

17.

MCQ 02
Why can you see most objects?

a)

A. they emit light

b)

B. light refracts through them

c)

C. light reflects off them

d)

D. they absorb light

18.

MCQ 08
If a capital letter R is seen in an ordinary mirror, what does it look like?

a)

A

b)

B

c)

C

d)

D

19.

MCQ 011
According to the laws of reflection, if i = angle of incidence and r = angle of reflection,

a)

A. i = r

b)

B. i > r

c)

C. r > i

d)

D. i is not equal to r

20.

Section B1a
Given that the angle of incidence = 30 degrees
a. Draw a ray diagram, labelling clearly the normal, incident ray, angle of incidence, reflected ray and angle of reflection accurately.
Which is the correct diagam?

a)

A

b)

B

c)

C

d)

D

21.

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

a)

absorbed

b)

stopped

c)

reflected

d)

refracted

22.

The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:

a)

mirror

b)

laser

c)

reflection

d)

refraction

23.

The angle produced as a source of light bounces off a reflecting surface is called ______.

a)

angle of crookedness

b)

angle of reflection

c)

angle of incidence

d)

angle of bounce

24.

The ray of light that strikes a reflecting surface is called ________.

a)

incident ray

b)

reflected ray

c)

normal ray

d)

none of the above

25.

Which of the following is not a source of light?

a)

A. candle

b)

B. caver’s lamp

c)

C. mirror

d)

D. sun

26.

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

a)

equal

b)

double

c)

half

27.

What is reflection?

a)

Reflection is the bouncing of light off the surface that it strikes on.

b)

Reflection is the absorbing of light off the surface that it strikes on.

c)

Reflection is the bending of light off the surface that it strikes on.

d)

Reflection is the scattering of light off the surface that it strikes on.

28.

Which is NOT a source of light?

a)

sun

b)

lightbulb

c)

fire

d)

car

29.

Your light-sensing organ is your

a)

ear

b)

finger

c)

brain

d)

eye

30.

In order to see a picture it must

a)

produce light

b)

reflect light

c)

absorb light

31.

To get the best reflection from a mirror you need

a)

a very shiny surface to reflect lots of light

b)

to stand right in front of it

c)

to shine a bright light on it

d)

it to produce light

32.

Determine how to translate triangle ABC to triangle A'B'C'.

a)

left 2, up 9

b)

right 2, down 9

c)

left 2, down 9

d)

left 2, up 5

33.

What transformation is happening?
(x, y) ----> (x + 2, y - 3)

a)

slide up 2, left 3

b)

slide right 2, up 3

c)

slide right 2, down 3

d)

slide left 3, right 2

34.

What does a translation do to an image?

a)

Turns it 90* clockwise

b)

Mirrors it

c)

Shrinks it

d)

Slides it

35.

What is the algebraic notation of a figure is Translated 6 units right and 5 units up?

a)

(x, y) --> (x - 6, y + 5)

b)

(x, y) --> (x + 6, y + 5)

c)

(x, y) --> (x + 5, y - 6)

d)

(x, y) --> (6x, 5y)

36.

The original figure prior to a transformation.

a)

Pre-image

b)

Image

37.

A triangle is drawn on the coordinate plane. It is translated 4 units right and 3 units down. Which rule describes the translation?

a)

(x, y) → (x + 3, y – 4)

b)

(x, y) → (x + 3, y + 4)

c)

(x, y) → (x + 4, y – 3)

d)

(x, y) → (x + 4, y + 3)

38.

What is the algebraic notation of a figure is Translated 9 units right and 3 units down?

a)

(x, y) --> (x - 9, y + 3)

b)

(x, y) --> (x + 9, y - 3)

c)

(x, y) --> (x + 3, y - 9)

d)

(x, y) --> (9x, 3y)

39.

The dashed figure is the image of the solid figure. What is the Algebraic Notation for the Translation?

a)

(x, y) --> (x - 7, y + 4)

b)

(x, y) --> (x + 7, y - 4)

c)

(x, y) --> (x + 4, y - 7)

d)

(x, y) --> (7x, 4y)

40.

The dashed figure is the image of the solid figure. What is the Algebraic Notation for the Translation?

a)

(x, y) --> (x - 6, y + 8)

b)

(x, y) --> (x + 6, y - 8)

c)

(x, y) --> (x + 8, y + 6)

d)

(x, y) --> (6x, 8y)

41.

A positive integer describes a translation that moves

a)

down

b)

right

c)

left

42.

A positive integer describes a translation that moves...

a)

down

b)

left

c)

up

43.

A negative integer describes a translation that moves

a)

up

b)

right

c)

left

44.

How is triangle ABC being translated to triangle A'B'C'?

a)

left 8, up 3

b)

left 4, up 9

c)

right 8, down 3

d)

right 4, down 9

45.

This point is translated 3 right and 2 down. Which diagram shows the new position of the point?

a)

b)

c)

d)

46.

How is Quadrilateral EFGH translated to E'F'G'H'?

a)

6 down

b)

1 right, 6 down

c)

3 left, 6 down

d)

, 8 down,1 right

47.

Where would A' be if you translated A 3 units to the right and 4 units down?

a)

(-4, 4)

b)

(-1, 0)

c)

(0, -1)

48.

Congruent geometric figures have the:

a)

Same size

b)

Sides Equal

c)

Same Size and Same Shape

d)

Angles Equal

49.

How would you translate point P to P'?

a)

Translate 2 units to the right and 8 units down

b)

Translate 3 units down and 2 units to the right

c)

Translate 8 units to the right and 2 units down

d)

Translate 4 units down and 4 units to the left

50.

Assume each figure shown has the same orientation. Which figure is the image of square LMNP after a translation of

(x, y) → (x + 5, y – 3)?

a)

1

b)

2

c)

3

d)

4

51.

If the scale factor is less than one, the new figure will be

a)

an enlargement

b)

a reduction

c)

a scale factor

d)

bigger

52.

If the scale factor is greater than one, the new figure will be

a)

a reduction

b)

an enlargement

c)

a scale

d)

not proportional

53.

The two rectangles are scale drawings. What is the measurement of x?

a)

21

b)

1.25

c)

20

d)

4

54.

Find the scale factor of the enlargement from A to C

a)

2

b)

0.5

c)

3

d)

4

55.

Find the scale factor of the enlargement from A to B

a)

2

b)

0.5

c)

3

d)

4

56.

Find the scale factor of the enlargement from A to D

a)

2

b)

5

c)

3

d)

4

57.

Find the scale factor of the enlargement from F to B

a)

0.5

b)

3

c)

2

d)

4

58.

Find the scale factor of the enlargement from A to C

a)

0.5

b)

3

c)

2

d)

4

59.

Find the scale factor of the enlargement from R to T

a)

0.5

b)

3

c)

2

d)

4

60.

Find the scale factor of the enlargement from Y to X

a)

0.5

b)

3

c)

2

d)

4

61.

Find the scale factor of the enlargement from D to A

a)

1/2

b)

3

c)

1/4

d)

4

62.

Find the scale factor of the enlargement from B to F

a)

1/2

b)

3

c)

2

d)

1/4

63.

Find the scale factor of the enlargement from T to R

a)

1/2

b)

3

c)

2

d)

1/4

64.

If a ratio has the larger number first, it makes the shape...

a)

bigger

b)

sad

c)

a square

d)

smaller

65.

A ratio of 3:1 means 3cm becomes...

a)

3cm

b)

1cm

c)

9cm

d)

12cm

66.

How is triangle ABC being translated to triangle A'B'C'?

a)

up 3, left 8

b)

up 9, left 4

c)

down 3, right 8

d)

down 9, right 4

67.

Original point: (8, -4)
New point: (5, -1)
What is the rule?

a)

T_{(-3, -3)}

b)

T_{(-3, 3)}

c)

T_{(3, 3)}

d)

T_{(3, -3)}

68.

How many degrees was the figure rotated?

a)

90 degrees counterclockwise

b)

180 degrees

c)

270 counterclockwise

69.

A turn is also called a ___________.

a)

Translation

b)

Reflection

c)

Rotation

d)

Transformation

70.

Name the transformation.

a)

Translation

b)

Reflection

c)

Rotation

71.

Identify the transformation from ABCD to A'B'C'D'.

a)

Translation

b)

Reflection across the y-axis

c)

Reflection across the x-axis

d)

90^o counter clockwise Rotation

72.

Identify the transformation.

a)

Reflection across y-axis

b)

90 Rotation counter clockwise

c)

Translation 5 units left, 1 unit up.

d)

Translation 5 units right, 1 unit down

73.

Determine how to translate triangle ABC to triangle A'B'C'.

a)

left 2, up 9

b)

right 2, down 9

c)

left 2, down 9

d)

left 2, up 5

74.

What is the sequence of transformations?

a)

Reflect over the y then reflect over the x

b)

Reflect over the x then reflect over the y

c)

Translate 4 units then rotate 90˚

d)

Rotate 90˚ then reflect over the x

75.

Identify the transformation from ABC to A'B'C'.

a)

Translation

b)

90^o clockwise rotation

c)

90^o counterclockwise rotation

d)

Reflection across the x-axis

76.

Simplify the Expression.
9z - 21 - 3z + 10

a)

Simplified

b)

9z - 21 - 7

c)

9z - 11 -3z

d)

6z - 11

77.

(19 - 7) ÷ 4 + 11

a)

14

b)

0.8

c)

15

d)

13

78.

How do you write this in exponent form?
4 * 4 * 4 * 4 * 4 * 4 * 4 * 4

a)

4⁷

b)

65,536

c)

4⁸

d)

7⁴

79.

A letter that represents a number is called a _____.

a)

variable

b)

coefficient

c)

constant

d)

term

80.

What do you call each part of an expression that is separated by a + or a -?

a)

coefficient

b)

constant

c)

variable

d)

term

81.

Simplify the expression: 7 + 3(1 - 2x)

a)

21 - 6x

b)

10 - 2x

c)

10 - 20x

d)

10 - 6x

82.

Evaluate the expression, when a = 4

5a + 7a - 8

a)

48

b)

28

c)

40

d)

39

83.

The number in front of the variable is called the _____.

a)

term

b)

constant

c)

coefficient

d)

variable

84.

Three times the sum of 2 and e.

a)

3e + 2

b)

3(e - 2)

c)

3(e + 2)

d)

2e + 3

85.

If f(x) = 3x² - x + 1 Find f(2a)

a)

6a² - 2a + 1

b)

3a² - 2a + 1

c)

12a² - 2a + 1

d)

36a² - 2a + 1

86.

The quotient of a number and 8

a)

8g

b)

8/g

c)

g + 8

d)

g/8

87.

Simplify [ 5 ÷ ( 3 ⋅ 1) ](-3/5 )

a)

1

b)

-1

c)

-9

d)

9

e)

-6

88.

Write an expression for the following. 12 less than 6 times a number is thirty.

a)

30 + 6x - 12

b)

12 - 6x = 30

c)

6x -12 = 30

d)

6 - 12x = 30

89.

-5 - (- 3)

a)

-8

b)

8

c)

-2

d)

15

90.

6 - (-4)

a)

10

b)

2

c)

-2

d)

-10

91.

-18 +(-6)

a)

3

b)

-3

c)

-12

d)

-24

92.

-2 + (-8)

a)

-6

b)

6

c)

-10

d)

10

93.

-9 - 5

a)

-14

b)

4

c)

-4

d)

45

94.

-3 +(- 2)

a)

-1

b)

5

c)

-5

d)

-6

95.

-4 - 2

a)

6

b)

-2

c)

-8

d)

-6

96.

8 - (-5)

a)

1

b)

-15

c)

13

d)

15

97.

12 - (-12)

a)

24

b)

-24

c)

0

d)

-144

98.

2 - 4

a)

2

b)

-8

c)

6

d)

-2

99.

-8 - (-6)

a)

2

b)

14

c)

-2

d)

-14

100.

(-4)(-5)

a)

-9

b)

-20

c)

9

d)

20

101.

3 - (-8)

a)

11

b)

-11

c)

5

d)

-5

102.

-32/8

a)

-4

b)

-5

c)

4

d)

24

103.

-2 + (-5)

a)

-3

b)

3

c)

-7

d)

7

104.

A football team gained 6 yards on a first down, lost 15 yards on the second down, and gained 12 yards on the third down. How many yards did the team gain or lose?

a)

3 yards

b)

33 yards

c)

21 yards

d)

9 yards

105.

A research team aboard an underwater research vessel descends 1,500 feet beneath the surface of the water. They then rise 525 feet and descend again 350 feet. How far below the surface is the research team?

a)

2375 feet

b)

625 feet

c)

-1325 feet

d)

1250 feet

106.

A scuba diver is at a depth of 82 feet. He descends another 19 feet. Write his new depth as an integer.

a)

-101 feet

b)

-82 feet

c)

101 feet

d)

19 feet

107.

Michael boards an elevator at the 23^rd floor. She travels up 14 floors, and then down 7 floors. What floor did she finally end up on?

a)

44

b)

-2

c)

16

d)

30

108.

The Dallas Cowboys start the first play of the game at the 50-yard line. On the first play, the cowboys lost 20 yards. On the second play, they gained 8 yards. On the next play, the quarterback was sacked, and they lost 10 yards. What yard line are the Cowboys on now? (HINT: Draw a horizontal number line)

a)

48

b)

28

c)

50

d)

25

109.

A roller coaster begins at 90 feet above ground level. Then it descends 105 feet. Find the height of the coaster after the first descent.

a)

195 feet

b)

15 feet

c)

-15 feet

d)

-195 feet

110.

At 3 pm, the temperature in Baltimore was 83 degrees. At midnight, the temperature dropped 21 degrees. What was the temperature at midnight?

a)

104^oF

b)

62^oF

c)

107^oF

d)

59^oF

111.

Bob got on an elevator on the 5th floor. He traveled 2 floors up, and 4 floors down before he reached his destination. At which floor did Bob get off the elevator?

a)

11th

b)

7th

c)

8th

d)

3rd

112.

Malcolm was flying his plane at 3000 feet above ground level. He descended 1200 feet to miss a flock of geese. He then ascended 1500 feet to reach a smooth air stream. At what altitude was Malcolm flying?

a)

300 feet

b)

5700 feet

c)

3300 feet

d)

-5700 feet

113.

Yesterday in Wyoming at 8:00 am it was 32^oF. By noon the temperature dropped 48^oF. At 6:00 pm the temperature rose 2^oF. What was the temperature at 6:00 pm?

a)

82^oF

b)

-14^oF

c)

78^oF

d)

14^oF

114.

A submarine started out to sea at sea level. The ship descended 300 feet below sea level to avoid detection from the enemy. After 2 hours, it ascended 260 feet to launch a drone. What is the submarine’s current position?

a)

562 feet

b)

-562 feet

c)

-40 feet

d)

40 feet

115.

Hailey’s bank statement showed that she owed $350. She made a deposit of $200. She purchased gasoline for $23. She made a deposit of $35, but then purchased a book for $15. What is her new balance?

a)

-$153

b)

$547

c)

$153

d)

-$77

116.

Rosa was hiking near the Dead Sea. She began her hike at an elevation of -600 feet and ended the hike at 92 feet. What was the change in her elevation?

a)

she hiked up 508 feet

b)

she hiked down 508 feet

c)

she hiked up 692 feet

d)

she hiked down 692 feet

117.

Elaine was rock climbing. She began her climb at an elevation of 100 feet below ground level, then hiked up 500 feet. What is her elevation now?

a)

600 feet about ground level

b)

600 feet below ground level

c)

400 feet above ground level

d)

400 feet below ground level

118.

The temperature in the afternoon was 16°C. The temperature at night was -3°C. What is the change in temperature?

a)

the temperature increased 19°C

b)

the temperature decreased 19°C

c)

the temperature increased 13°C

d)

the temperature decreased 13°C

119.

The temperature in the afternoon was -2°C. The temperature at night was -33°C. What is the change in temperature?

a)

the temperature increased 35°C

b)

the temperature decreased 35°C

c)

the temperature increased 31°C

d)

the temperature decreased 31°C

120.

The temperature in the afternoon was -5°C. What is the temperature after it dropped 6 degrees?

a)

the temperature is 11°C

b)

the temperature is -11°C

c)

the temperature is 1°C

d)

the temperature is -1°C

121.

The temperature dropped 4°F one hour ago. If the current temperature is 58°F, what was the temperature one hour ago?

a)

54°F

b)

62°F

c)

-54°F

d)

-62°F

122.

The temperature increased 2°F one hour ago. If the current temperature is 60°F, what was the temperature one hour ago?

a)

58°F

b)

62°F

c)

-58°F

d)

-62°F

123.

The temperature dropped 4°F one hour later. What is the current temperature if the temperature was 8°F one hour ago?

a)

12°F

b)

-12°F

c)

4°F

d)

-4°F

124.

Your bank account originally had $400. Now your account has $150. What is the amount of change of your account?

a)

increased by $250

b)

decreased by $250

c)

$250 in the bank account

d)

decrease by $650

125.

On Monday, the price of gas decreased 6 cents; on Tuesday, it increased 9 cents. Whatwas the overall change of the price of gas by the end of the day on Tuesday?

a)

3 cents increase

b)

3 cents decrease

c)

The gas is 3 cents on Tuesday.

d)

The gas is 12 cents on Tuesday.

126.

Chloe and Joey biked home from school at the same time. Chloe lives 5 blocks east of the school and Joey lives 2 blocks west of the school. How far apart do Chloe and Joey live?

a)

7 blocks apart

b)

3 blocks apart

c)

(-7) blocks apart

d)

(-3) blocks apart

127.

The highest recorded temperature on Earth was recorded in Africa at 136°F, while the lowest was -129°F in Antarctica. What was the difference in the temperatures?

a)

268^oF

b)

7^oF

c)

-268^oF

d)

-7^oF

128.

If the overnight temperature at the Arctic Circle was -14°F, but the temperature rose to 8°F during the day, what was the difference between these high and low temperatures?

a)

22^oF

b)

-6^oF

c)

-22^oF

d)

6^oF

129.

A football team gained 6 yards on a first down, lost 15 yards on the second down, and gained 12 yards on the third down. How many yards did the team gain or lose?

a)

3 yards

b)

33 yards

c)

21 yards

d)

9 yards

130.

A research team aboard an underwater research vessel descends 1,500 feet beneath the surface of the water. They then rise 525 feet and descend again 350 feet. How far below the surface is the research team?

a)

2375 feet

b)

625 feet

c)

-1325 feet

d)

1250 feet

131.

A scuba diver is at a depth of 82 feet. He descends another 19 feet. Write his new depth as an integer.

a)

-101 feet

b)

-82 feet

c)

101 feet

d)

19 feet

132.

Michael boards an elevator at the 23^rd floor. She travels up 14 floors, and then down 7 floors. What floor did she finally end up on?

a)

44

b)

-2

c)

16

d)

30

133.

The Dallas Cowboys start the first play of the game at the 50-yard line. On the first play, the cowboys lost 20 yards. On the second play, they gained 8 yards. On the next play, the quarterback was sacked, and they lost 10 yards. What yard line are the Cowboys on now? (HINT: Draw a horizontal number line)

a)

48

b)

28

c)

50

d)

25

134.

A roller coaster begins at 90 feet above ground level. Then it descends 105 feet. Find the height of the coaster after the first descent.

a)

195 feet

b)

15 feet

c)

-15 feet

d)

-195 feet

135.

At 3 pm, the temperature in Baltimore was 83 degrees. At midnight, the temperature dropped 21 degrees. What was the temperature at midnight?

a)

104^oF

b)

62^oF

c)

107^oF

d)

59^oF

136.

Bob got on an elevator on the 5th floor. He traveled 2 floors up, and 4 floors down before he reached his destination. At which floor did Bob get off the elevator?

a)

11th

b)

7th

c)

8th

d)

3rd

137.

Malcolm was flying his plane at 3000 feet above ground level. He descended 1200 feet to miss a flock of geese. He then ascended 1500 feet to reach a smooth air stream. At what altitude was Malcolm flying?

a)

300 feet

b)

5700 feet

c)

3300 feet

d)

-5700 feet

138.

Yesterday in Wyoming at 8:00 am it was 32^oF. By noon the temperature dropped 48^oF. At 6:00 pm the temperature rose 2^oF. What was the temperature at 6:00 pm?

a)

82^oF

b)

-14^oF

c)

78^oF

d)

14^oF

139.

A submarine started out to sea at sea level. The ship descended 300 feet below sea level to avoid detection from the enemy. After 2 hours, it ascended 260 feet to launch a drone. What is the submarine’s current position?

a)

562 feet

b)

-562 feet

c)

-40 feet

d)

40 feet

140.

Hailey’s bank statement showed that she owed $350. She made a deposit of $200. She purchased gasoline for $23. She made a deposit of $35, but then purchased a book for $15. What is her new balance?

a)

-$153

b)

$547

c)

$153

d)

-$77

141.

Rosa was hiking near the Dead Sea. She began her hike at an elevation of -600 feet and ended the hike at 92 feet. What was the change in her elevation?

a)

she hiked up 508 feet

b)

she hiked down 508 feet

c)

she hiked up 692 feet

d)

she hiked down 692 feet

142.

Elaine was rock climbing. She began her climb at an elevation of 100 feet below ground level, then hiked up 500 feet. What is her elevation now?

a)

600 feet about ground level

b)

600 feet below ground level

c)

400 feet above ground level

d)

400 feet below ground level

143.

The temperature in the afternoon was 16°C. The temperature at night was -3°C. What is the change in temperature?

a)

the temperature increased 19°C

b)

the temperature decreased 19°C

c)

the temperature increased 13°C

d)

the temperature decreased 13°C

144.

The temperature in the afternoon was -2°C. The temperature at night was -33°C. What is the change in temperature?

a)

the temperature increased 35°C

b)

the temperature decreased 35°C

c)

the temperature increased 31°C

d)

the temperature decreased 31°C

145.

The temperature in the afternoon was -5°C. What is the temperature after it dropped 6 degrees?

a)

the temperature is 11°C

b)

the temperature is -11°C

c)

the temperature is 1°C

d)

the temperature is -1°C

146.

The temperature dropped 4°F one hour ago. If the current temperature is 58°F, what was the temperature one hour ago?

a)

54°F

b)

62°F

c)

-54°F

d)

-62°F

147.

The temperature increased 2°F one hour ago. If the current temperature is 60°F, what was the temperature one hour ago?

a)

58°F

b)

62°F

c)

-58°F

d)

-62°F

148.

The temperature dropped 4°F one hour later. What is the current temperature if the temperature was 8°F one hour ago?

a)

12°F

b)

-12°F

c)

4°F

d)

-4°F

149.

Your bank account originally had $400. Now your account has $150. What is the amount of change of your account?

a)

increased by $250

b)

decreased by $250

c)

$250 in the bank account

d)

decrease by $650

150.

On Monday, the price of gas decreased 6 cents; on Tuesday, it increased 9 cents. Whatwas the overall change of the price of gas by the end of the day on Tuesday?

a)

3 cents increase

b)

3 cents decrease

c)

The gas is 3 cents on Tuesday.

d)

The gas is 12 cents on Tuesday.

151.

Chloe and Joey biked home from school at the same time. Chloe lives 5 blocks east of the school and Joey lives 2 blocks west of the school. How far apart do Chloe and Joey live?

a)

7 blocks apart

b)

3 blocks apart

c)

(-7) blocks apart

d)

(-3) blocks apart

152.

The highest recorded temperature on Earth was recorded in Africa at 136°F, while the lowest was -129°F in Antarctica. What was the difference in the temperatures?

a)

268^oF

b)

7^oF

c)

-268^oF

d)

-7^oF

153.

If the overnight temperature at the Arctic Circle was -14°F, but the temperature rose to 8°F during the day, what was the difference between these high and low temperatures?

a)

22^oF

b)

-6^oF

c)

-22^oF

d)

6^oF

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Total questions: 153

Worksheet time: 11hrs 2mins

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