Add 10
Missing Number
Least to Greatest
Adding to 20
Subtract within 10
100

10 + 10=

20

100

Find the missing number

10, 11, 12, ?

13

100

Put the numbers in order from least to greatest.

4  2  8  7

2, 4, 7, 8

100

7 + 5 =

12

100

10 - 6 =

4

200

10 + 4 =

14

200

Find the Missing Number


23, 24, 25, ?

26

200

Put the numbers in order from least to greatest.

16, 11, 21, 18

11, 16, 18, 21

200

8 + 8 =

16

200

10 - 2 =

8

300

10 + 10 + 3 =

23

300

Find the Missing Number


45, 46, ?, 48

47

300

Put the numbers in order from least to greatest.

45, 34, 54

34, 45, 54

300

11 + 7 =

18

300

7 - 6 =

1

400

25 + 10 =

35

400

Find the Missing Number

20, 19, 18, ?

17

400

Put the numbers in order from least to greatest.

65, 56, 55, 66

55, 56, 65, 66

400

9 + 8 =

17

400

12 - 6 =

6

500

10 + ? = 16

6

500

107, 108, 109, ?

110

500

Which is the smallest and biggest number?

122, 212, 221, 121, 234, 243

Smallest- 121

Biggest- 243

500

There were 9 butterflies in the garden. 4 more joined. How many butterflies are there now?

13 butterflies

500

24 - 13 =

11

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