Math Review

NO CHART/HELP - Mental Math

100

1x1=?

1

200

5+5=?

10

300

84-21=?

63

400

10x0=?

0

500

2x9=?

18

Addition Only

100

13+7=?

20

200

75+38=?

113

300

192+13=? 

205

400

629+720=? 

1349

500

1,925+437=? 

2,362

Subtraction Only

100

25-13=? 

12

200

79-44=? 

35

300

137-59=?

78

400

791-114=

677

500

1,925-457=?

1,468

Multiplication Only

100

5x2=?

10

200

9x9=? 

81

300

17x3=? 

51

400

156x9=? 

1,404

500

900x7=? 

6,300

Absolute Value and Opposites

100

Find the absolute value of |4|

4

200

Find the absolute value of |-25|

25

300

What is the opposite of 212?

-212

400

Find the absolute value of -|117|

-117

500

What is the opposite of 0?

0