ADDING
SUBTRACTING
MULTIPLY(TIMES)
ROUNDING to Nearest 10's
THE GREATER NUMBER
100

3+3?

6

100

9-5?

4

100

1x5?

5 

100

67?

70

100

937 or 397?

937

200

5+6?

11

200

10-3?

7

200

 0x6?

0 

200

55?

60

200

2756 or 2765?

2765

300

11+10?

21

300

14-7?

7

300

2x2?

4

300

72?

70

300

1231 or 1213?

1231

400

22+28?

50

400

23-12?

11

400

3 x 5?

15

400

9?

10

400

75346 or 76435?

76435

500

111+111?

222

500

125-75?

50

500

4x10?

40

500

113?

110

500

35947 or 35974?

35974

M
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