Study

11-19 10-90

0%

0 0 0

10 and 1 more

11

10 and 5 more

15

9 tens

90

Which number is it? 12

twelve

3 tens

30

Which number is it? 18

eighteen

6 tens

60

10 and 9 more

19

8 tens

80

4 tens

40

10 and 3 more

13

Which number is it? 11

eleven

Which number is it? 14

fourteen

Which number is it? 19

nineteen

Which number is it? 13

thirteen

7 tens

70

5 tens

50

10 and 8 more

18

Which number is it? 17

seventeen

10 and 6 more

16

1 ten

10

10 and 7 more

17

Which number is it? 16

sixteen

Which number is it? 15

fifteen

10 and 2 more

12

10 and 4 more

14

2 tens

20