Unit 1 Review Activity

Unit 1 Review Activity

Algebra

Multiple Choice

What are variables in math?

• Letters

• Numbers

• Expressions

Multiple Choice

A variable represents what is ______________. 

• the answer

• the operation

• the difference

• unknown 

Multiple Choice

A variable is . . .

• an awesome number

• a number represented by a letter

• an infinite number

• a number multiplied by another number

Multiple Choice

What are the variables in the following expression?

• 3, 4, 1 and 7

• z, x and y

• + and -

• 15

Multiple Choice

Which of the following answer choices is NOT an example of a variable?

• 8

• x

• u

• n

Multiple Choice

A constant is . . .

• a letter

• a math or science mystery

• a number

• a variable

Multiple Choice

The number or constant in this is expression is ____ ?  6 + n 

• n

• +

• 6

• =

Multiple Select

Check all the correct answers.

Which of the following numbers have 2 as a factor?

• 8

• 10

• 15

• 24

Multiple Select

Check all the correct answers.

Which of the following numbers have 5 as a factor?

• 15

• 20

• 25

• 32

Multiple Choice

Is 3 a factor of 21?

• yes

• no

Multiple Choice

Is 3 a factor of 26?

• yes

• no

Fill in the Blank

Find the missing factor.

28 = 7 x __

Fill in the Blank

Find the missing factor.

72 = 8 x __

Multiple Choice

Which lists all the factors of 64?

• 1, 64

• 1, 2, 3, 4, 5, 6, 7, 8

• 1, 2, 32, 64

• 1, 2, 4, 8, 16, 32, 64

Multiple Choice

Which lists all the factors of 72

• 1, 2, 3, 4, 5, 6, 7, 8, 6, 5, 4, 3, 2, 1

• 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

• 1, 2, 3, 4, 6, 8

• 1, 72

Multiple Choice

Which lists all the factors of 100?

• 1, 2, 4, 5, 10, 20, 25, 50, 100

• 1, 100

• 1, 2, 3, 4, 5, 6, 7, 8, 25, 50, 100

• 1, 2, 4, 5, 10

Multiple Choice

Which number is a multiple of 3?

• 27

• 28

• 29

Multiple Choice

Which one is a multiple of 4?

• 33

• 22

• 24

Multiple Choice

Find the missing multiple.

10: 10, 20, 30, 40, ___, 60, 70, 80

• 100

• 45

• 50

Multiple Choice

Fill in the missing multiple.

3: 3, 6, 9, ___, 15, 18, 21

• 10

• 11

• 12

Multiple Choice

Which of the following shows the multiples of 12?

• 0, 12, 22, 53, 60

• 0, 4, 8, 12, 16, 24

• 0, 12, 24, 36, 48, 60

Multiple Choice

What is the next multiple?

12, 24, 36, 48, _____

• 50

• 60

Multiple Choice

Fill in the blank: 2, 4, 6, 8, 10, 12, ____, 16, 18 ,20

• 13

• 14

• 15

• 17

​1.2 Adding and Subtracting Integers

Multiple Choice

-2 + 4 

• -2

• 2

• 0

• -4

Multiple Choice

-2 + 4 

• -2
• 2
• 0
• -4

Multiple Choice

To ADD, move to the _________ on the number line.

• right

• left

• zero

• up

Multiple Choice

-9 + (-5)

• -14
• 14
• -4

Multiple Choice

To SUBTRACT, move to the ________ on the number line.

• right
• left
• positiive
• less

Multiple Choice

10 + (-4) = ?

• -6
• 6
• 14
• -14

Multiple Choice

Solve the problem.
-4 + 3

• -1
• 7
• 1
• -7

Multiple Choice

-22 + (-9)

• -11
• -31
• 11
• 31

Multiple Choice

Solve the problem.
-4 - 10

• -4
• 4
• 14
• -14

Multiple Choice

2 + (-21) 

• 19
• -19
• -23
• 23

Multiple Choice

Solve the problem.
5 - 8

• 3
• -3
• 13
• -13

Multiple Choice

1-2

• 1
• -1
• 5
• -5

Multiple Choice

Solve the problem.
-4 - 0

• -4
• 0
• 4
• -1

Multiple Choice

-7 - 2

• -9
• 9
• 5
• -5

Multiple Choice

Solve the problem.
-100 - 52

• -152
• 48
• -48
• 152

Multiple Choice

15 - 21

• 6
• 26
• -6
• -26

Multiple Choice

Minus a negative means ________.

• plus
• minus
• subtract
• multiply

Multiple Choice

19 - (-19)

• 0
• 36
• 26
• 38

Multiple Choice

Solve the problem.
-42 - (-12)

• -30
• -54
• 30
• 54

Multiple Choice

-2 - (-10) = ?

• -12
• 12
• 8
• -8

Multiple Choice

Solve the problem.
27 + (-83)

• -56
• 110
• 56
• -110

Multiple Choice

Which question is the SAME as
8 - (-7)        ?

• -8 - (-7)
• 8 + 7
• 8 - 7
• -8 + 7

Multiple Choice

-4-5

• -1
• -9
• 9
• 1

​Multiplying and Dividing Integers

Multiple Choice

$$5\cdot4$$  

• 20

• -20

• 9

• 1

Multiple Choice

$$-9\cdot-2$$  

• 4.5

• -18

• 18

• -11

Multiple Choice

$$-20\div2$$  

• 10

• -10

• -40

• 40

Multiple Choice

$$-5\cdot2$$  

• -10

• 7

• -7

• 10

Multiple Choice

$$-4\cdot-7$$  

• 28

• -28

• 3

• -11

Multiple Choice

$$25\div-5$$  

• 20

• -20

• 5

• -5

Multiple Choice

$$-3\cdot-2\cdot-1$$  

• 6

• 5

• -6

• -16

Multiple Choice

$$-63\div-9$$  

• 8

• -8

• 7

• -7

Multiple Choice

$$-4\cdot5\cdot4$$  

• 80

• 70

• -80

• 180

Multiple Choice

Solve: (-2)(-1)(-3)(-4)(-1)

• -11

• 24

• -24

• 11

Multiple Choice

The temperature dropped 3 degrees every hour for six hours.  How much did the temperature drop in all?

• -18

• 9

• 18

• -9

Multiple Choice

-20/5=

• -4

• 4

• -100

• 100

Multiple Choice

-7(10)=

• 70

• 700

• -70

• -700

Multiple Choice

14 + (22 - 2) =

• 34

• 37

• 40

​1.4 Order of Operations

Multiple Choice

Solve: $$5-2\left(2^3-5\right)$$  

• -1

• 3

• -9

• 9

Multiple Choice

Solve: $$\left(10-5\right)^2+\left(12\div4\right)$$  

• 13

• 28

• -22

• 7

Multiple Choice

Solve the following: 5 - 6² ÷ 4 - 3

• 1

• -10.75

• -31

• -7

Multiple Choice

Solve the following: (2 + 7 - 1) ÷ 2²

• 16

• 2

• 72.25

• 8.75

Multiple Choice

Simplify: [25-(13+4)+4] ÷ 3

• 6

• 2

• 3

• 4

Multiple Choice

7[12 − (6 − 2) ÷ 4]

• 7

• 77

• 14

• 0

Multiple Choice

10 + 45 ÷ 9 -(14 ÷ 2) =

• 9

• 8

• 53

• 18

Multiple Choice

True or False? 2 + (4 x 5 - 2) + 8 = 28

• True

• False

Multiple Choice

20 x 2 - (10 - 4)

• 22

• 30

• 34

Multiple Choice

(23 + 24) -10 =

• 37

• 27

• 47

Multiple Choice

(2 x 5) + 18

• 48

• 20

• 28

Multiple Choice

Solve: (32 ÷ 8) + 27 - 11

• 10

• 20

• 30

Multiple Choice

Solve: (40 x 4) - 33

• 100

• 125

• 127

Multiple Choice

What does the E in PEMDAS stand for?

• Exceptional

• Egg

• Exponent

Multiple Choice

Which operation is performed FIRST? (13 - 1) + 4

• addition

• subtraction

• multiplication

Multiple Choice

Which operation is performed SECOND? (13 - 1) + 4

• addition +

• subtraction -

• multiplication X

Multiple Choice

(2 + 2) - 1

• 4

• 2

• 3

Multiple Choice

Which operation is performed FIRST? 25 x (3-1)

• multiplication

• subtraction

• division

Multiple Choice

Which operation is performed SECOND? 44 ÷ 2 X (3 -1)

• muliplication X

• division ÷

• subtraction -

Multiple Choice

Which operation is performed SECOND? (40 x 4) - 33

• multiplication X

• subtraction

• division ÷

Multiple Choice

Solve: 38 + (9 x 6) ÷ 3

• 40

• 65

• 56

​1.5 & 1.6 Operations with Fractions

Multiple Choice

Find the product.  Then, simplify. $$\frac{5}{6}\times\frac{2}{3}$$  

• 10/18

• 5/9

• 10/6

• 15/12

Multiple Choice

Solve the following expression:  1/8 ÷ 8/1 = 

• 1/64

• 1/10

• 1/99

• 1/18

Multiple Choice

Solve.  2/3 + 7/12

• 3/5

• 9/15

• 15/12

• 5/12

Multiple Choice

$$2\ \frac{3}{4}$$  + $$\frac{5}{6}$$  

• $$3\ \frac{7}{12}$$  

• $$3\ \frac{10}{12}$$  

• $$3\ \frac{8}{24}$$  

Multiple Choice

Brooke had 3/5 of an apple pie and her mom had 2/7 of an apple pie.  How much apple pie do they have altogether?

• 35/35

• 5/12

• 31/35

• 1  2/35

Multiple Choice

7/8 - 7/12

• 7/24

• 1/4

• 7/12

• 4/24

Multiple Choice

$$-\frac{5}{6}-\frac{7}{8}$$  

• $$-1\ \frac{17}{24}$$  

• $$-\frac{1}{4}$$  

• $$\frac{1}{24}$$  

• $$-1\ \frac{17}{48}$$  

Multiple Choice

$$\frac{17}{20}\ -\ \frac{3}{5}$$  

• $$\frac{1}{4}$$  

• $$1$$  

• $$\frac{1}{5}$$  

• $$\frac{1}{20}$$  

Multiple Choice

Multiply these fractions

• 13 / 18

• 13 / 72

• 5/9

• 64 / 45

Multiple Choice

$$2\ \frac{3}{4}\div1\ \frac{1}{2}=$$  

• $$\frac{33}{8}$$  

• $$\frac{22}{12}$$  

• $$\frac{8}{33}$$  

• $$\frac{12}{22}$$  

Multiple Choice

In the following question, will the answer be negative or positive? 3/4 x (-3/4) x (-5/6)

• Negative

• Positive

• Zero