Math 7th

Mental Math!

100

Mental Math

3x - 4 = 23

9

200

5x + 6 = 51

9

300

Mental Math

74 students out of 100 are at the dance. How many students are NOT at the dance?

26

400

Mental Math

4^{3 =} 

64

500

Mental Math

The decimal for 3/8 is

.375

Subtract!

100

Mental Math

52 - 97 =

- 45

200

56 - 75

-19

300

Mental Math

60 - 31 = 

29

400

3³ - 2^{3 =}

19

500

Mental Math

Shane's mom said to take a break after lunch at 12:25 p.m. His break was over at 1:10 p.m. How long was his break?

45 minutes

Add!

100

MENTAL MATH

- 43 - 17 = 

- 60

200

MENTAL MATH

4²  + 2⁴ = 

32

300

MENTAL MATH

1.25 + 37.3

38.55

400

Sarah had 5 apples, 11 oranges, 7 bananas, 38 grapes, and sixteen plums. How many fruit did she have?

77

500

3x3x3 + 4x4 = 

43

Multiply!

100

3² x 2³ =

72

200

- 7 x - 4 =

28

300

- 6 x 5 = 

- 30

400

Mental Math

2³  x  2³ =

64

500

MENTAL MATH

.8 x 1.5 =

1.2

Divide!

100

3/5

.6

200

MENTAL MATH

7/8

.875

300

MENTAL MATH

7/7

1

400

1 divided by 8

.125

500

Mental Math

3/6

.5

Vocabulary

100

What does "sum," mean

Answer to an addition problem

200

What does "product" mean?

answer to a multiplication problem

300

What is the word "difference," refer to in math?

Subtraction

400

What does the word "quotient" mean?

Answer to a division problem.

500

What does the word "percent" mean?

100

Fractions

100

.4 is what %?

40 %

200

.125 is what %?

12.5%

300

Add the fractions:   1/2  +  1/4

.75

400

6/12 is what decimal?

.5

500

27/5 is equal to what %?

540 %