Lesson: Subtraction within 100 on a Number Line

In this lesson, we will learn how to use a number line to subtract one- or two-digit numbers from two-digit numbers by making jumps of ten and one.

Worksheet: 4 Questions

Q1:

Look at how Samar is taking away using a number line.

Pick the calculation he is working on.

Find the answer.

Q2:

Find the difference.

Hint: Jump back in tens and ones on a number line.

Q3:

Look at how Adel subtracted 32 from 59 by taking away 3 tens and then 2 ones.

Use number lines to find the answers to these problems.

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