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Lesson: Subtracting Hundreds from Three-Digit Numbers Mathematics

In this lesson, we will learn how to use models to subtract a multiple of one hundred from a three-digit number and investigate which digits in the number change.

Lesson Plan

Students will be able to

represent subtracting a multiple of one hundred from three-digit numbers using place value equipment,
use place value language to describe subtracting a multiple of one hundred from a three-digit number,
represent subtracting a multiple of one hundred from a three-digit number on a number line,
complete part–whole models to find the result of subtracting multiples of one hundred from three-digit numbers,
subtract a multiple of hundred from a three-digit number without using a model,
determine what multiple of one hundred has been subtracted from a three-digit number.

Lesson Video

Lesson Playlist

01:47
03:20
+2

03:36

Lesson Worksheet

Q1:

Find the difference by first subtracting hundreds.

Hint: Use the part–whole model to help.

Q2:

Look at how Mia broke apart a number to help her subtract.

First, subtract the hundreds.

Then, add the remaining hundreds to 56 to find .

Q3:

Look at how David broke apart a number to help him subtract.

First, subtract the hundreds.

Then, add the remaining hundreds to 62 to find .