Add Numbers
Subtract Numbers
???
Rounding
Subtract Double Digits
100

2+3=?

Answer is 5!

100

2-2=?

Answer is 0!

100

If I had 7 skittles and gave away 5, how many do I have left?

2

100

16

20

100

18-3=?

15

200

4+3+?

Answer is 7!

200

7-3=?

Answer is 4!

200

Mom had 3 cookies, 2 brownies, and 1 donut.  How many desserts did she have? 

6

200

120 to the nearest hundred

100

200

32-1=?

31

300

6+5=?

Answer is 11?

300

6-5=?

Answer is 1!

300

What is 35+4=?

39

300

670 to the nearest hundred

700

300

56-4=?

52

400

8+8=?

Answer is 16?

400

15-2=?

Answer is 13!

400

What is 45-5=?

40

400

456 to the nearest ten

460

400

75-3=?

72

500

10+10=?

Answer is 20!

500

10-5=?

Answer is 5!

500

10 + ___ = 11

1

500

220 to the nearest 100

200

500

99-4=?

95

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