Vocabulary
Subtract!
Multiply!
Divide
100

What does "sum" mean?

100

MENTAL MATH

37+70

107

100
MENTAL MATH

30-15

15

100

MENTAL MATH

2 x 12 =

24

100

MENTAL MATH

24 / 4 =

6

200

What does the word "of" mean when used in math?

To multiply or multiplication

200

345,134 + 56,134 =

401,268

200

Ashley wants to buy a new book worth $23, but she only has a$50 bill How much change will she receive?

\$27

200

MENTAL MATH

50 x 2 =

100

200

Mental Math

45 divided into 5 groups

9

300

What does the word "difference" refer to in math?

Subtraction

300

MENTAL MATH

98 + 499 =

597

300

MENTAL MATH

60-31

29

300

576 x 5 = ?

2880

300

MENTAL MATH

84 divided into 7 groups

12

400

If a word problem asks you "how much more/less" you should use this operation

Subtraction

400

MENTAL MATH

30 + x = 951

x = 921

400

54,642-318

54,324

400

MENTAL MATH

12 x 12 =

144

400

MENTAL MATH

100 divided into 4 groups

25

500

What do you call the numbers 4 and 7 in the problem 4 x 7 = 28

Factors

500

MENTAL MATH

345 + 650

995

500

562-191

371

500

345 x 18 =

6210

500

MENTAL MATH

132 / 12

11

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