Instructions
Let's practice our counting skills! In the first part, you will count on (forwards). In the second part, you will count back (backwards). Fill in the blank spaces with the correct numbers. Have fun!
Part 1: Counting On!
Fill in the missing numbers by counting on.
- 28, 29, ____, 31, ____
- 42, 44, ____, 48, ____
- 60, 65, ____, 75, ____
- 73, 83, ____, 103, ____
- 105, 106, 107, ____, ____
Part 2: Counting Back!
Fill in the missing numbers by counting back.
- 59, 58, ____, 56, ____
- 88, 86, ____, 82, ____
- 90, 85, ____, 75, ____
- 110, 100, ____, 80, ____
- 144, 143, 142, ____, ____
Part 3: What's the Rule?
Look at each number pattern. Are you counting on or counting back? By how much? Write down the rule.
Example: 10, 13, 16, 19 → Rule: Count on by 3
- 30, 35, 40, 45 → Rule: _________________________
- 77, 75, 73, 71 → Rule: _________________________
- 21, 31, 41, 51 → Rule: _________________________
- 99, 98, 97, 96 → Rule: _________________________
Answer Key
Part 1: Counting On!
- 28, 29, 30, 31, 32
- 42, 44, 46, 48, 50
- 60, 65, 70, 75, 80
- 73, 83, 93, 103, 113
- 105, 106, 107, 108, 109
Part 2: Counting Back!
- 59, 58, 57, 56, 55
- 88, 86, 84, 82, 80
- 90, 85, 80, 75, 70
- 110, 100, 90, 80, 70
- 144, 143, 142, 141, 140
Part 3: What's the Rule?
- Rule: Count on by 5
- Rule: Count back by 2
- Rule: Count on by 10
- Rule: Count back by 1