Show:
Addition
Subtraction
Rounding to the Nearest Tens
Rounding to the nearest hundred
Multiplication
100

12 + 12 =

24

100

12 - 5 = 

7

100

789

890

100

340

300

100

What is 3 x 2

6 

200

13 + 5 = 

18

200

10 - 2 =

8

200

445

450

200

492

500

200

What is 7 x 4 

28

300

21 + 4 =

25

300

22 - 12 = 

10

300

602

600

300

823

800

300

What is 9 x 3

27

400

11 + 13 

24

400

42 - 10

32

400

521

520

400

799

800

400

What is 3 x 9 

27

500

9 + 4 = 

13

500

31 - 9 = 

22

500

477

480

500

465

500

500

What is 5 x 8 

40

600

14 + 18 

32

600

65 - 49 = 

16

600

7,897

7,900

600

5,565

5,600

600

How many groups are in 9 x 5 

9