🔢 Part 1: Numbers to 20

Read, order and compare the numbers.

7, 8, ______, 10, ______, 12

15, ______, 17, ______, 19, 20

One more than 6 is ______.    One less than 6 is ______.

One more than 14 is ______.    One less than 14 is ______.

8 ___ 5     10 ___ 10     13 ___ 17

19 ___ 16     7 ___ 11

3 + ______ = 10     6 + ______ = 10

______ + 8 = 10     10 − 4 = ______

➕➖ Part 2: Add, Subtract and Build Teen Numbers

Use the counters to help you. Show your working when you need to.

● ● ● ●    ● ●

4 + 2 = ______

5 + 3 = ______     9 − 2 = ______

7 + 2 = ______     10 − 6 = ______

● ● ● ● ●

● ● ○ ○ ○

There are ______ counters.    ______ more make 10.

1 ten and 3 ones = ______

1 ten and 7 ones = ______

16 = 1 ten and ______ ones

🌟 Part 3: Mixed Review

Try these without rushing. Check your answers when you finish.

a) What number comes after 18? ______

b) What number comes before 11? ______

c) 4 + 5 = ______

d) 10 − 3 = ______

e) Write >, < or =: 14 ___ 14

f) 1 ten and 5 ones = ______

Teacher Answer Key

1. 9; 18

2. 9, 11; 16, 18

3. 7, 5; 15, 13

4. >, =, <, >, <

5. 7, 4, 2, 6

6. 6

7. 8, 7, 9, 4

8. 7 counters; 3 more

9. 13, 17, 6

10. a) 19   b) 10   c) 9   d) 7   e) =   f) 15