We included **HMH Into Math Grade 4 Answer Key PDF** **Module 13 Use Fractions to Understand Angles **to make students experts in learning maths.

## HMH Into Math Grade 4 Module 13 Answer Key Use Fractions to Understand Angles

**What figures do you see?**

Write the names of the figures that you see in the diagram.

Answer:

circle

Hexagon

Triangle

Quadrilateral

Rhombus

Explanation:

Circle is a simple geometrical figure with no corners and edges.

Hexagon is a closed shape polygon which has 6 equal sides and 6 equal angles.

Triangle is a three-sided polygon that consists of three edges and three vertices.

Quadrilateral is a plane figure that has four sides or edges, and also has four corners.

Rhombus is a flat shape with 4 equal straight sides and opposite lines are parallel to each other.

**Turn and Talk**

Describe how you could shade \(\frac{1}{6}\) of the circle.

Answer:

Explanation:

Circle is divided in to six equal parts as shown in the above figure

one part is shaded, that is \(\frac{1}{6}\) of unit fraction.

Describe the rhombuses and find how many there are in the diagram.

Answer:

Explanation:

There are 2 rhombuses.

Rhombus is a flat shape with 4 equal straight sides and opposite lines are parallel to each other.

Describe how you could shade \(\frac{1}{3}\) of the circle.

Answer:

Explanation:

Circle is divided in to six equal parts as shown in the above figure

\(\frac{2}{6}\) of unit fraction is \(\frac{1}{3}\) of a circle.

**Are You Ready?**

Complete these problems to review prior concepts and skills you will need for this module.

**Use a Customary Ruler**

**Use an inch ruler to measure the length.**

Question 1.

The paperclip is about ________ inches long.

Answer:

2 inches

Explanation:

In the above figure ruler is used to measure the paperclip.

Measurement in the ruler is in inches.

The paperclip is about 2 inches long.

Question 2.

The pencil is about _________ inches long.

Answer:

5 inches

Explanation:

In the above figure ruler is used to measure the pencil.

Measurement in the ruler is in inches.

The pencil is about 5 inches long.

**Parts of a Whole**

**Write a fraction to name the shaded part of the whole.**

Question 3.

Answer:

\(\frac{2}{3}\)

Explanation:

The whole is divided into 3 equal parts,

two third of the whole is shaded.

Question 4.

Answer:

\(\frac{3}{8}\)

Explanation:

The whole is divided into 8 equal parts,

three eighth of the whole is shaded.

Question 5.

Answer:

\(\frac{6}{6}\) = 1

Explanation:

The whole is divided into 6 equal parts,

6 parts of the whole is shaded.

**Compare Parts of a Whole**

**Shade to show the fractions. Then circle the greater fraction.**

Question 6.

Answer:

Explanation:

\(\frac{1}{4}\) is greater than \(\frac{1}{8}\) as the denominator in \(\frac{1}{4}\) is smaller than the denominator in \(\frac{1}{8}\)

Question 7.

Answer:

Explanation:

\(\frac{1}{3}\) is greater than \(\frac{1}{6}\) as the denominator in \(\frac{1}{3}\) is smaller than the denominator in \(\frac{1}{6}\)