# McGraw Hill My Math Grade 3 Chapter 10 Answer Key Fractions

All the solutions provided in McGraw Hill My Math Grade 3 Answer Key PDF Chapter 10 Fractions will give you a clear idea of the concepts.

Essential Question

How can fractions be used to represent numbers and their parts?
The fractions are represented by two numbers that are separated by a fraction line.

Write the number of parts. Tell whether each figure shows parts that are equal or not equal.

Question 1. The given figure has 4 parts.
All the four parts are equal.

Question 2. The given figure has 3 parts.
Among 3 parts 2 parts are equal and 1 part is unequal.

Question 3. The given has 2 parts.
The 2 parts are equal.

Write the name of the equal parts. Write halves, thirds, or fourths.

Question 4. The given shape has 4 parts.
Fourth is 1/4 of a whole number.
1/4 is 1 out of 4 equal parts.
4 fourths makes one whole.

Question 5. The given shape has 2 parts.
A half is 1/2 of of the whole.
1/2 is 1 out of 2 equal parts.
2 halves make one whole.

Question 6. The given shape has 3 parts.
A thirds is 1/3 of the whole.
1/3 is 1 out of 3 equal parts.
3 thirds makes one whole.

Circle the point which represents each given number.

Question 7.
380 The circled number is 380. It is in the position B. Question 8.
169 The circled number is 169. Its position is in B. Question 9.
Jill draws a figure and divides it into thirds. Draw what her figure could look like.
Jill draws the figure with 3 equal parts.
The shape has 3 parts.
A thirds is 1/3 of the whole.
1/3 is 1 out of 3 equal parts.
3 thirds makes one whole. My Math Words

Review Vocabulary

fourths
halves
thirds

Making Connections
Circle the review vocabulary word which represents each example. What does whole mean? What does part of a whole mean?
The whole means the complete amount or sum and the parts of the whole mean are portion or division. My Vocabulary Cards Ideas for Use

• Write a tally mark on each card every time you read the word in this chapter or use it in your writing. Challenge yourself to use at least 5 tally marks for each card.
• Use the blank cards to draw or write phrases or examples that will help you with concepts like comparing fractions. Fractions that represent the same part of the whole.
The prefix non- means “not. Describe 2 non-equivalent fractions. Write an example.
Fractions that represent the same part of the whole is known as equivalent fractions.
1/2 = 2/4
1/2 and 3/4 are non equivalent fractions.

The bottom number in fraction. It is the total number of equal parts.
Draw models to show three different fractions that all have a denominator of 4.
1/4, 2/4 and 3/4 are three different fractions that all have a denominator of 4.

The top number in a fraction. It is the number of equal parts being represented.
In the fraction $$\frac{4}{8}$$, what is the numerator? What does it show?
The top number in a fraction. It is the number of equal parts being represented is called the numerator.
4 is the numerator. It shows that 4 are shaded out of 8 parts.

A number that represents an equal part of a whole or an equal part of a set.
Draw a rectangle, and divide it into 6 equal parts. Color the parts to represent $$\frac{3}{6}$$.
A number that represents an equal part of a whole or an equal part of a set is called denominator.

Represents the quantity formed by one part when a whole is partitioned into equal parts.
Unit can mean “a single thing.” How does this help you understand the definition of unit fraction?
Answer: A unit fraction represents the quantity formed by one part when a whole is partitioned into equal parts.

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