# Lesson 10 One of the Pieces, All of the Pieces

Let’s describe equal pieces of shapes.

## Warm-up Which One Doesn’t Belong: Split Shapes

Which one doesn’t belong?

## Activity 1 Color a Piece

## Problem 1

Split the square into halves.

Color in one of the halves.How much of the square is colored in?

## Problem 2

Split the circle into fourths.

Color in one of the fourths.How much of the circle is colored in?

## Activity 2 Card Sort: Shaded Pieces

Sort the cards into categories in a way that makes sense to you. Explain how you sorted the cards.

Sort your cards into these categories.

Write the letter of each card in the space for its category.A fourth or quarter is shaded

A half is shaded

The whole shape is shaded

Not equal pieces

## Activity 3 Describe Equal Pieces

Here are some ways to describe the shapes.

split into fourths

split into halves

split into quarters

two of the halves shaded

a half shaded

a quarter shaded

a fourth shaded

four of the fourths shaded

Label each shape with at least one phrase from the lists.

## Practice Problems

## Problem 1

Split the circle into fourths.

Color in four of the fourths.

## Problem 2

How much of each rectangle is shaded?

Circle the rectangle that has a bigger shaded piece.