This easy worksheet keeps numbers under 50 so first graders can build confidence with the counting pattern. Part A has eight fill-in-the-blank sequences like '12, 13, ___, 15, 16,' where students supply the missing middle number. Part B is five true-or-false statements about which number comes right after or before another, such as 'The number 50 comes right after 49.' A gentle warm-up for the full 120 sequence ahead.
Style:
Counting and Writing Numbers to 120
Part A: Fill in the Missing Number
Write the missing number on each line.
1. 12, 13, 14, 15, 16.
2. 27, 28, 29, 30, 31.
3. 44, 45, 46, 47, 48.
4. 53, 54, 55, 56, 57.
5. 68, 69, 70, 71, 72.
6. 81, 82, 83, 84, 85.
7. 90, 91, 92, 93, 94.
8. 35, 36, 37, 38, 39.
Part B: True or False?
Circle True or False for each statement.
1. The number 50 comes right after 49.
True False
2. The number 77 comes before 76.
True False
3. When you count, 64 comes right after 63.
True False
4. The number 40 comes right before 39.
True False
5. 88 comes right after 87.
True False
Counting and Writing Numbers to 120
★ Part A: Fill in the Missing Number
Write the missing number on each line.
1) 12, 13, 14, 15, 16.
2) 27, 28, 29, 30, 31.
3) 44, 45, 46, 47, 48.
4) 53, 54, 55, 56, 57.
5) 68, 69, 70, 71, 72.
6) 81, 82, 83, 84, 85.
7) 90, 91, 92, 93, 94.
8) 35, 36, 37, 38, 39.
★ Part B: True or False?
Circle True or False for each statement.
1) The number 50 comes right after 49.
True
False
2) The number 77 comes before 76.
True
False
3) When you count, 64 comes right after 63.
True
False
4) The number 40 comes right before 39.
True
False
5) 88 comes right after 87.
True
False
Ready to Practice?
Write the missing number on each line. Then circle True or False for each statement.
13 Questions
15-20 minutes
Auto-graded
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