Multiplication
Adding
Subtracting
Rounding
MYSTERY
100

6x0

0
100

4+4

8

100

10-4

6

100

Round to the nearest 100: 

356

400

100

10x4

40

200

3x2

6

200

3+1

4

200

5-0

5

200

Round to the nearest 1000:

3,457 

3,000

200

10x5

50

300

4x1

4

300

6+7

13

300

3-1=

2

300

Round to the nearest 10:

478

480

300

12+5

17

400

5x4

20

400

9+6=

15
400

6-7

1

400

Round to the nearest 1000:


7,894 

8,000

400

16-8=

8

500

6x5

30

500

6+7=

13

500

15-6

9

500

Round to the nearest 100: 

4,567

4,600

500

9x5

45

M
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