End of the Year Review Round 1

10s to 100

100

I have 30. I need to make 100. How many do I need?

70

200

I have 10. I need to make 100. How many do I need?

90

300

I have 80. I need to make 100. How many do I need?

20

400

I have 0. I need to make 100. How many do I need?

100

500

I have 60. I need to make 100. How many do I need?

40

Doubles +/- 1 or 2

100

I am double 6, plus 2.

14

200

I am double 10, minus 2.

18

300

I am double 9, minus 2.

16

400

I am double 20, minus 2

38

500

I am double 5, plus 1.

11

Times 10

100

______x10=60

6

200

______x10=90

9

300

______x10=120

12

400

_______x10=110

11

500

_____x10=20

2

Build that number!

100

3 ones, 2 10s, and 4 hundreds. Build that number! 

423

200

3 tens, 1 one, 9 hundreds

931

300

6 hundreds, 0 tens, 5 ones. Build that number!

605

400

7 tens, 7 hundreds, and 0 ones. Build that number!

770

500

8 hundreds, 0 tens, and 9 ones. Build that number! 

809

More or less than 50

100

This number is 20 more than 50. 

70

200

This number is 20 less than 50

30

300

This number is 16 more than 50. 

56

400

This number is 15 less than 50

35

500

This number is 25 more than 50

75