What's the Number
How Many 10's How Many 1's
Addition
Subtraction
Surprise
100

39

39

100

36

3 tens 6 ones

100

8 + 4

12

100

17 - 1

16

100

What's the Number: 67

67

200

50

50

200

42

4 tens 2 ones
200

1 + 5

6

200

 16 - 11

5

200

What's the Number: 44

44

300

62

62

300

75

7 tens 5 ones

300

6 + 2

8

300

8 - 3

5

300

How many ten's how many one's: 18

1 ten 8 ones

400

24

24

400

80

8 tens 0 ones
400

8 + 12

20

400

14 - 7

7

400

12+3

15

500

87

87

500

55

5 tens 5 ones

500

14 + 6

20

500

14 - 8

6

500

19-2

17