Worksheet: Addition within 100 Using Number Lines

In this worksheet, we will practice counting in tens and ones on number lines to add two-digit numbers.

Q1:

Use a number line to find the sum of 6 3 + 7 .

Q2:

Use a number line to find the sum of 2 3 + 5 .

Q3:

Use a number line to find the sum of 4 9 + 9 .

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