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Omega Math Revision

Total questions: 116

Worksheet time: 7hrs 54mins

Name
Class
Date
1.

Mandy earns money by delivering groceries. She earned $4 on Monday, $7 on Tuesday, $5 on Wednesday, $4 on Thursday, and $5 on Friday. What is the average amount of money Mandy earned per day?

a)

3

b)

4

c)

5

d)

6

2.

Clayton plays basketball on a team. He has played three games so far. In the first game, he scored 10 points. In the second game, he scored 14 points. In the third game, he scored 6 points. What is Clayton’s average points per game?

a)

10

b)

11

c)

12

d)

13

3.

Jean loves to go bird watching. One day, she saw 7 birds. The next day, she saw 11 birds. The next day, she saw no birds. What is the average number of birds Jean saw each day?

a)

3

b)

4

c)

5

d)

6

4.

The ratio of three numbers A, B and C is 1 : 2 : 3. The average of these three numbers is 48. What is the number of B?

a)

24

b)

96

c)

48

d)

144

5.

The scores of a student in his term exam are: 78 points for Chinese, 83 points for Nature, 81 points for History and his Math mark is 1 point more than the average point of all these 4 subjects. What is the Math mark of this student?

a)

81

b)

80

c)

83

d)

82

6.

What is the RANGE of these numbers? 3, 7, 9, 10

(a)  

7.

Find the average of these numbers.

10, 3, 2, 5

a)

5

b)

4

c)

10

d)

3

8.

To find the average of a set of numbers, add up all the items and divide by...

a)

2

b)

The minimum

c)

The maximum

d)

The number of items

9.
What is the mean?
a)
# happening the most
b)
the number in the middle
c)
biggest-smallest
d)
the average
10.

On the semester final, Devin scored a 12, Levi scored a 15, and Espy scored a 18. What was the average score for these students?

a)

15

b)

273

c)

111

11.

Find the mean of:

13, 24, 10, 6, 19 18, 11, 9, 13, 17

a)

140

b)

16

c)

17.3

d)

14

12.

The average of first five multiples of 3 is:

A.8

B.9

C.10

D.11

a)

A.8

b)

B.9

c)

C.10

d)

D.11

13.

The average of first five multiples of 3 is:

A.8

B.9

C.10

D.11

a)

A.8

b)

B.9

c)

C.10

d)

D.11

14.

Find the average of first 6 odd numbers

a)

6

b)

5

c)

7

d)

4

15.

Find the average of first 7 even numbers

a)

2

b)

8

c)

4

d)

7

16.
Fill in the blank: 
3 hours = ___ minutes
a)
120
b)
60
c)
180
d)
360
17.

Two minutes is equal to how many seconds?

a)

30

b)

60

c)

120

18.

2. Which is greater: 35 minutes or 1 hour?

a)

35 minutes

b)

1 hour

19.

3. In converting from larger to smaller units, we:

a)

multiply

b)

divide

20.

5. Lois spent 3 hours answering her modules. How many minutes is equivalent to 3 hours?

a)

60

b)

120

c)

180

21.

6. 1 day is equal to how many hours?

a)

24

b)

30

c)

48

22.

How many days does a LEAP YEAR have?

a)

300

b)

365

c)

366

23.

The duration of the virtual class is 120 minutes. How many hours did the teacher finish the class?

a)

1

b)

2

c)

3

24.

Mandy cooked the rice for 10 minutes. How many seconds did she cook the rice?

a)

60

b)

600

c)

6000

25.
3 Minutes=............Seconds
a)
120 
b)
600 
c)
100 
d)
180 
26.
Fill in the blank: 
3 hours = ___ minutes
a)
120
b)
60
c)
180
d)
360
27.

The Burke family is taking a 3-week and 2 day vacation to Alaska. How many days will their vacation last?

a)

27 days

b)

21 days

c)

23 days

d)

30 days

28.

Mark spent 3 hours and 15 minutes hiking one afternoon. How many minutes did he spend hiking?

a)

65 minutes

b)

125 minutes

c)

195 minutes

d)

245 minutes

29.

Jared finished his chores at 7:00 P.M. He spent 35 minutes washing the dishes, 15 minutes cleaning his room, and 10 minutes folding his clothes. What time did he start his chores?

a)

6:00 P.M.

b)

8:00 P.M.

c)

5:45 P.M.

d)

6:00 A.M.

30.

Alma got to the playground at 2:45. She spent 20 minutes on the swings and 10 minutes on the jungle gym. She played on the slide for 12 minutes. Then she went home. What time did Alma go home?

a)

3:26

b)

2:03

c)

2:04

d)

3:27

31.

Jenna got home from school at 3:30. She did math homework for 10 minutes. Next, she did science homework for 15 minutes. Then she practiced the piano for 22 minutes. What time did Jenna finish?

(a)  

32.

Malea's soccer game started at 9:40 and ended at 10:32. how long was Malea's soccer game?

a)

48 minutes

b)

52 minutes

c)

50 minutes

d)

47 minutes

33.

What is the elapsed time between 1:08 and 1:37?

(a)  

34.

Lunch starts at 11:43 A.M. and ends at 12:19 P.M. How long is lunch?

(a)  

35.

How many minutes in 5 hours?

(a)  

36.

How many minutes in 2 hours and 15 minutes?

a)

124 minutes

b)

139 minutes

c)

153 minutes

d)

135 minutes

37.

Which equation could you use to find out how many hours there are in 7 days?

a)

7 x 48

b)

24 + 24 + 24 + 24

c)

7 x 24

d)

20 x 7

38.

600 seconds = _______ min

a)

60 min

b)

10 min

c)

6 min

39.

Find the end time.


START TIME: 11:00 AM

ELAPSED TIME: 4 hours 5 min


END TIME: ________________

a)

3:05 AM

b)

3:10 PM

c)

3: 05 PM

40.
Find the area of a parallelogram with a base of 56 mm and a height of 41 mm
a)
2296 mm
b)
2696 mm2
c)
2926 mm2
d)
2296 mm2
41.
Find the area
a)
430 in2
b)
215 in2
c)
41.5 in2
d)
1.5 in2
42.
Find the Area of this triangle
a)
19.8 km2
b)
37.8 km2
c)
18.9 km2
d)
35 km2
43.
What is the area of the shaded region?
a)
14 m2
b)
120 m2
c)
106 m2
d)
134 m2
44.
What is the area of the shaded region?
a)
20 sq cm
b)
4 sq cm
c)
30 sq cm
d)
24 sq cm
45.
Find the area of the polygon.
a)
6.25 mi2
b)
8.75 mi2
c)
7 mi2
d)
10.25 mi2
46.
Find the area of the triangle.
a)
39 sq feet
b)
30.8 sq feet
c)
78 sq feet
d)
101.4 sq feet
47.
perimeter?
a)
30 units
b)
32 units
c)
24 units
d)
36 units
48.

What is the perimeter?

a)

12 cm

b)

24 cm

c)

35 sq cm

d)

75 cm

49.
What is the perimeter of the fence?
(click to show image)
a)
25
b)
30
c)
35
d)
40
50.

The perimeter of a rectangle is _____ the sum of its length and breadth.

(click all that apply)

a)

twice

b)

double

c)

thrice

d)

two times

51.

The perimeter of a square board is 40 cm. Its one side is _____

a)

10 m

b)

160 m

c)

160 cm

d)

10 cm

52.

2 squares of side 5 cm are joined together to form a rectangle. The perimeter of formed rectangle is ______

a)

25 cm

b)

30 cm

c)

20 cm

d)

40 cm

53.
Find the area of the circle
a)
43.96
b)
153.86
c)
87.82
d)
307.72
54.
Find the area of the circle
a)
43.96
b)
153.86
c)
87.82
d)
307.72
55.
find the area of the circle below.
a)
100 cm
b)
225 cm
c)
9 cm
d)
28.26 cm
56.
what is the circumference of this circle ?
a)
3.14 cm 
b)
37.68 cm
c)
24 cm
d)
68.4 cm
57.
What is the circumference?
a)
50.24
b)
96
c)
24
d)
18
58.
What is the circumference?
a)
36
b)
12.56
c)
56.52
d)
113.04
59.

Find the perimeter of the triangle.

a)

120 ft.

b)

32 ft.

c)

40 ft.

d)

20 ft.

60.

Find the perimeter of the shape.

a)

27 ft.

b)

40 ft.

c)

27 ft.

d)

54 ft.

61.

Find the perimeter.

a)

24 m

b)

22 m

c)

16 m

d)

12 m

62.

What is the formula to find circumference?

a)

 c=2\pi r  

b)

 c=πrc=\pi r  

c)

 c=2πdc=2\pi d  

63.

Find the circumference. Round to the nearest tenth.

a)

18.8 cm.

b)

75.4 cm.

c)

37.7 cm.

d)

not enough information

64.

What does area mean?

a)

the distance around a shape

b)

the amount of space outside a shape

c)

half the distance around a shape

d)

the amount of space inside a shape

65.

Find the AREA of this figure.

a)

160 ft.2160\ ft.^2

b)

160 ft.

c)

80 ft. 280\ ft.\ ^2

d)

1600 feet

66.
A area of a rectangle is 52 square meters.  The width is 4 meters.  What would the length be?
a)
17 m
b)
13 m
c)
15 m
d)
48 m
67.

Find the area.

a)

108 cm2

b)

60 cm2

c)

432 cm2

d)

216 cm2

68.
A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?
a)
31.25 m2
b)
29.55 m2
c)
30.36 m2
d)
28.26 m2
69.
Find the area of the figure shown.
a)
34 units2
b)
960 units2
c)
220 units2
d)
480 units2
70.
Find the area of the composite figure
a)
40
b)
9
c)
49
d)
61
71.

Find the perimeter

a)

14 m

b)

43.96m

c)

176 m

d)

191.96 m

72.

Look at the composite figure. How could you find the perimeter of the figure?

a)

Add the four side lengths shown in the diagram.

b)

Divide the figure into two rectangles. Find the perimeter of each rectangle. Add the two perimeters.

c)

Find the two missing side lengths and add them to the four side lengths shown in the diagram.

d)

Multiply the four side lengths shown in the diagram.

73.
Is the red line a radius or diameter of the circle?
a)
Radius
b)
Diameter
74.
What is the circumference of a circle with a diameter of 1 inch? Use 3.14 for pi.
a)
3.14 inches
b)
6.28 inches
c)
314 inches
d)
628 inches
75.
The radius is....
a)
a line that crosses through the center and touches each edge 
b)
the center point of a circle 
c)
a line from the center point to the edge of the circle
d)
an element in science
76.
A line that goes from one end of the circle to the other and crosses the center point.  
a)
center
b)
diameter
c)
dime eater
d)
radius
77.
What is the radius of a circle with diameter 24 cm?
a)
24 cm
b)
48 cm
c)
12 cm 
d)
72 cm
78.
The area of the circle would be found using which of the following formulas...  (9 cm is the radius)
a)
Area = π(4.5)2
b)
Area = π(9)2
c)
Area = π(18)2
d)
None of these
79.
Find the circumference (to the nearest whole number)
a)
88 in
b)
44 in
c)
116 square in
d)
None of the above
80.

What is the area of this circle? Use the pi function on the calculator. Round your answer to two decimal places.

a)

82.13

b)

78.54

c)

314.16

d)

170.12

81.
A die is rolled once.  What is the probability of rolling a 5? Your answer should be a fraction in simplest form.
a)
1/6
b)
1/3
c)
2/5
d)
5/6
82.
A die is rolled once.  What is the probability of rolling an odd number? Your answer should be a fraction in simplest form.
a)
1/6
b)
1/2
c)
3/6
d)
2/5
83.
A die is rolled once.  What is the probability of rolling a 2, 3, or 4? Your answer should be a fraction in simplest form.
a)
3/6
b)
4/6
c)
1/2
d)
1/5
84.
A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
a)
3/10
b)
3/9
c)
1/9
d)
1/3
85.
You pick a marble from this bag.
What is the probability you will choose either a black or a white marble?
*remember to simplify* 
a)
3/5
b)
4/10
c)
3/10
d)
6/10
86.
What is the probability of pulling a red marble out of a jar of marbles that have 10 green marbles, 7 red marbles and 3 blue marbles?
a)
1/7
b)
7/20
c)
7/10
d)
3/10
87.
If you were to roll the die one time what is the probability of it landing on a 2?
a)
2 out of 6
b)
2 out of 2
c)
1 out of 6
d)
1 out of 1
88.
What is the probability of rolling an even number on a die?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
89.
What is the probability of rolling 15 with a pair of dice?
a)
impossible
b)
unlikely
c)
equally likely
d)
likely
90.
Find the probability of rolling greater than a 1 on a single die.
a)
6/6
b)
5/6
c)
4/6
d)
1/6
91.
Ben has a basket of 5 red balls, 3 yellow balls, and 2 green balls. What is the probability that the probability he randomly chooses will be red?
a)
1/2
b)
1/5
c)
1/10
d)
5/8
92.
A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marble you pick will be red or blue?
a)
5/6
b)
1/2
c)
1/3
d)
1/6
93.
An unlikely chance event is closer to what number?
a)
0
b)
1
c)
2
d)
3
94.

What is the probability of spinning an even number?

a)

16 2/3%

b)

33 1/3%

c)

50%

d)

75%

95.

I have 16 pairs of shoes. 5 are stilettos the rest are flats. What porportion are flat?

a)

11 out of 16

b)

5 out of 16

96.

Nick and Kate work a total of 36 hours in the ratio 4:5 How many hours does Nick work?

a)

4

b)

5

c)

16

d)

20

97.

Mick, Ben and Jane are splitting a cash bonus of £1800 in the ratio of 3:4:5. How much will Ben receive?

a)

£400

b)

£450

c)

£600

d)

£750

98.

Last week Ben spent his wages of £120 on going out and clothes in the proportion of 1:3. How much did he spend on going out?

a)

£100

b)

£300

c)

£30

d)

£60

99.

The exchange rate was $15 for every £10. How many dollars would you get for £65?

a)

$67

b)

$95

c)

$87.5

d)

$97.5

100.

What is the ratio of red to white tiles?

a)

13 : 12

b)

12 : 13

c)

12 : 25

d)

13 : 25

101.

A recipe needs 400g flour, 200g butter and 100g sugar. What ratio of flour to butter to sugar is that?

a)

400 :200 :100

b)

4 : 2 : 1

102.

Simplify the following ratio 100 : 25 : 50

a)

1 : 2 : 5

b)

10 : 2.5 : 5

c)

4 : 1 : 2

d)

3 : 1 : 2

103.

Simplify the following ratio.

1000g flour : 400g butter : 200g sugar : 200g sultanas

a)

10 : 2 : 1 : 1

b)

5 : 2 : 2 : 1

c)

5 : 2 : 1 : 1

d)

10 : 5 : 1 : 1

104.

Sand and cement is a ratio of 7 : 2

If you used 28 shovels of sand how many shovels of cement are needed?

a)

2

b)

4

c)

6

d)

8

105.

Fruit cocktails were made using 1000ml apple juice, 2000ml pineapple juice, 250 ml pomegranate juice and 50ml cranberry juice. Write this in its simplest form.

a)

1000 : 2000 : 250 : 50

b)

10 : 20 : 25 : 5

c)

20 : 40 : 5 : 1

d)

10 : 20 : 2.5 : 1

106.

A packet of 500 sheets of paper has mass 2.5 kg.

Find the mass of one sheet of paper ?

a)

200 kg

b)

200 g

c)

5 kg

d)

5 g

107.

Lisa can fold 48 paper stars in 2 hours.

How many stars can she fold in 2 h?

a)

48

b)

36

c)

24

d)

96

108.

Bala runs 200 m in 32 seconds.

Rahmat runs 100 m in 13 seconds.

Who is faster?

a)

Rahmat

b)

Bala

109.

A boy had a bike for S32000 and was sold for S45000. What was the boy's profit? 

a)

S17000

b)

S12500

c)

S23500

d)

don't know

110.

find the loss:Sam bought a car for S34000 and sold for S23000

a)

S12000

b)

S11000

c)

S34000

d)

No correct answer

111.

what is the formula of loss?

a)

c.p-s.p

b)

s.p-c.p

c)

Don't know

112.

The profit percent is found as a percent of

a)

Profit

b)

Selling Price

c)

Cost Price

d)

Sale Price

113.

What is the profit percent if a shopkeeper buys a football for $12 and sells it for $15?

a)

3%

b)

25%

c)

20%

d)

-20%

114.

What is the percentage profit if Tony buys a watch for $50 and sells it for $60?

a)

20%

b)

83.3%

c)

16.6%

d)

16.7%

115.

Calculate the percentage profit if an item is bought for $75 and sold for $120.

a)

75%

b)

50%

c)

200%

d)

60%

116.

If an object is bought for $65 and sold for $78 how much was the profit percent or loss percent?

a)

20% profit

b)

20% loss

c)

17% profit

d)

17% loss

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