Count to 20 — Answer Key
Part A: Trace the Numbers
Trace each number. Then write it on the dotted line.
1. 11
2. 12
3. 13
4. 14
5. 15
6. 16
Part B: Fill in the Missing Number
Write the missing number on each line.
1. 11, 12, 13, 14.
Counting in order: 11, 12, 13, 14. The missing number is 12.
2. 14, 15, 16, 17.
Counting in order: 14, 15, 16, 17. The missing number is 16.
3. 17, 18, 19, 20.
Counting in order: 17, 18, 19, 20. The missing number is 17.
4. 16, 17, 18, 19, 20.
Counting in order: 16, 17, 18, 19, 20. The missing number is 20.
Part C: True or False?
Circle True or False for each statement.
1. The number 13 comes after 12.
True False
True. When counting 12, 13, 14... the number 13 comes right after 12.
2. 20 is the last number when you count to 20.
True False
True. 20 is the last and largest number in the sequence 1 to 20.
3. The number 17 comes before 16.
True False
False. 16 comes before 17. The order is 16, 17, 18.