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Subtracting on a number line is a great way to help students visualize numbers and understand what happens when we subtract tens and ones. Students will build their number sense by using different strategies to subtract 2-digit numbers, learning that there are many ways to THINK about numbers and different ways to subtract them.
If you've used my "Adding Two-Digit Numbers Using a Number Line" packet, your children will already be familiar with counting up on the number line to add tens and ones. When you introduce subtraction, however, they will realize that they have less flexibility with where to start and which numbers to subtract! In fact, subtracting two-digit numbers may require more teaching and practice than addition – just as subtracting single digit numbers often takes more instruction than adding them.
This packet includes:
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My children learned that there were lots of ways to tackle these subtraction problems and arrive at the correct answer. This discovery gave them much more confidence when subtracting using the number lines and when working with 2-digit numbers in other ways.
Looking for more number lines?
Here are some fun, seasonal word problems for students to solve using number lines:
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