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

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.
circle
Hexagon
Triangle
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.

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.

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.

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.

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.
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.
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.

$$\frac{2}{3}$$
Explanation:
The whole is divided into 3 equal parts,
two third of the whole is shaded.

Question 4.

$$\frac{3}{8}$$
Explanation:
The whole is divided into 8 equal parts,
three eighth of the whole is shaded.

Question 5.

$$\frac{6}{6}$$ = 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.

$$\frac{1}{4}$$ is greater than $$\frac{1}{8}$$ as the denominator in $$\frac{1}{4}$$ is smaller than the denominator in $$\frac{1}{8}$$
$$\frac{1}{3}$$ is greater than $$\frac{1}{6}$$ as the denominator in $$\frac{1}{3}$$ is smaller than the denominator in $$\frac{1}{6}$$