Grade 1 · Math · Number sense

1st Grade Count, Read, and Write to 120 worksheets

6 printable versionsBuilding ConfidenceAbout 5 minutes eachFree · no account

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Count, Read, and Write to 120

Grade 1 Math Worksheet - Building Confidence

NameDate

Write the missing number.

29, 30, 31, 32,
6, 7, 8, , 10
15, 16, 17, , 19
12, 13, , 15, 16
39, 40, , 42, 43
1, 2, , 4, 5
, 9, 10, 11, 12
32, 33, 34, 35,
40, , 42, 43, 44
18, , 20, 21, 22
26, 27, , 29, 30
35, 36, 37, , 39
20, , 22, 23, 24
31, 32, 33, , 35
25, 26, , 28, 29
34, 35, 36, , 38
21, 22, , 24, 25
9, , 11, 12, 13

1st Grade Count, Read, and Write to 120 worksheet 1 – printable PDF — Download PDF: 1 2 3 4 5 6

About this worksheet

Counting to 120 is the base for everything else in first-grade number work: place value, adding and subtracting all depend on knowing the order of the numbers and where they go on after 99. On this worksheet each line shows a short row of numbers that count forward with one number missing, and your child writes the missing number on the line. The missing number can be first, in the middle or last, so your child has to know the numbers on both sides.

Support sheets stay within 40, while standard and challenge sheets spend at least half of their rows on the numbers from 96 to 120, where the numbers cross 100 and go on into the hundred-and-teens. Say the row out loud together, then fill in the gap.

What your child will learn

Count forward from any number up to 120
Write the number that is missing from a row
Cross from one ten to the next, such as 49 to 50
Count past 100 into the hundred-and-teens

Common Core standard: 1.NBT.A.1

Worked example

The row is 106, 107, ____, 109. Count on: 106, 107, 108, 109. The missing number is 108.

Common mistake

Stopping at 99 and not knowing what comes next, or writing 40 after 39 instead of 40 only at the next ten.

Helpful hint

Say the row out loud and count on from the number before the gap.

Next skill: Tens and Ones

Questions parents ask

What is the most common mistake with count, read, and write to 120?

Stopping at 99 and not knowing what comes next, or writing 40 after 39 instead of 40 only at the next ten.

How can I help my child with count, read, and write to 120?

Say the row out loud and count on from the number before the gap.

Are these 1st grade math worksheets free to print?

Yes. All 6 printable versions on this page are free to download and print, with no account needed.

More 1st grade number sense

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