Lesson 24 Divide Decimals by Whole Numbers

    • Let’s divide decimals by whole numbers.

Warm-up Estimation Exploration: Divide by Whole Numbers

What is the value of ?

Record an estimate that is:

too low

about right

too high

Activity 1 Whole Number Groups

  1. Find the value of the expression  . Explain or show your reasoning.

    Diagram, square. Length and width, 1. Partitioned into 10 rows of 10 of the same size squares. No squares shaded.

  2. Find the value of the expression  . Explain or show your reasoning.

    Diagram, square. Length and width, 1. Partitioned into 10 rows of 10 of the same size squares. No squares shaded.

  3. Find the value of  . Explain or show your reasoning.

    Diagram, square. Length and width, 1. Partitioned into 10 rows of 10 of the same size squares. No squares shaded.

  4. Find the value of  . Explain or show your reasoning.

    Diagram, square. Length and width, 1. Partitioned into 10 rows of 10 of the same size squares. No squares shaded.

Activity 2 Evaluate Expressions

Find the value of each expression.

Practice Problem

Problem 1

Find the value of each expression. Explain or show your reasoning.

  1. . Use the diagram if it is helpful.

    Diagram, square. Length and width, 1. Partitioned into 10 rows of 10 of the same size squares. No squares shaded.