Lesson: Adding and Subtracting Money with Decimals: USD Mathematics • 4th Grade

In this lesson, we will learn how to solve word problems by adding and subtracting amounts of money written in dollar notation with decimals.

Lesson Plan

Students will be able to

interpret word problems and decide which operation to use,
model multistep word problems,
use addition, subtraction, multiplication, and division to solve problems with money.

Q1:

Jacob had $4.50 to spend at the fair. He spent $1.25 on a snack and used 6 quarters to play different games.

How much money is left?

Q2:

Chloe had $1.14. Then she was given 1 quarter and 2 nickels. How much does she have now?

Q3:

Natalie paid $2.25 for this hairbrush. How much change will she get?