Show:
Addition
Subtraction
Rounding
Multiplication
100

7 + 3

10

100

7-5

2
100

Round to the nearest 10:

22

20
100

2 X 6

12

200
70 + 27

97

200
65-30

35

200

Round to the nearest 10:

55

60

200

5 x 3

15

300

315 + 482

797

300

765-123

642

300

Round to the nearest 100:

832

800

300

6 x 4

24

400

4510 + 562

5072

400

521-237

284

400

Round to the nearest 100:

671

700
400

7 x 9

63
500

3456 + 5678

9134

500

2426 - 1964

660

500

Round to the nearest 100:

4536

4500

500

12 X 7

84