Show:
1st Grade Addition
1st Grade Subtration
Comparing numbers
1st Grade Place Value
100

3+3=

6

100

14-10=

4

100

15_5

100

How many tens are in 10?

1 ten

200

14+5=

19

200

10-4=

6

200

26_63

200

How many tens are in 30?

3 tens

300

9+2+4=

15

300

20-6=

14

300

74_93

300

How many tens are in 58?

5 tens

400

7+8+3=

18

400

27-10=

17

400

89_89

400

How many tens and ones are in 22?

2 tens and 2 ones

500

11+9+5=

25


500

40-6=

34

500

102_129

500

How many tens and ones are in 98?

9 tens and 8 ones