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Lesson: Adding Hundreds to Three-Digit Numbers Mathematics

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

Lesson Plan

Students will be able to

add hundreds to three-digit numbers,
count on in hundreds to add,
model addition with place value blocks or counters,
model addition on number lines.

Lesson Video

Lesson Worksheet

Q1:

Find the total by first adding the hundreds.

Q2:

Find the total by first adding the hundreds.

Q3:

Look at how Amelia broke apart a number to help her add.

First, add the hundreds.

Then, add the hundreds to 19 to find the total.