All the solutions provided inÂ **McGraw Hill My Math Grade 1 Answer Key PDF Chapter 9 Lesson 10 Quarters and Fourths **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 1 Answer Key Chapter 9 Lesson 10 Quarters and Fourths

**Explore and Explain**

**Teacher Directions:** Separate the rectangle into two equal parts. Then separate it into four equal parts. Shade each part a different color. Now separate the circle into four equal parts. Shade each part a different color.

Answer:

Explanation:

I divided the rectangle and the circle in 4 equal parts and colored each equal part in different color.

**See and Show**

A whole that is separated into 4 equal parts is separated into fourths or quarters.

Each part is a fourth of, or a quarter of, the whole.

**Write how many equal parts make up the whole.**

Question 1.

____________ equal parts

Answer:

4 equal parts

Explanation:

4 equal parts will make up the above whole.

Question 2.

_____________ equal parts

Answer:

4 equal parts

Explanation:

4 equal parts will make up the above whole.

**Draw lines to show 4 equal parts. Write how many fourths.**

Question 3.

___________ fourths

Answer:

Explanation:

I drew lines in the above shape to show 4 equal parts.

Question 4.

___________ fourths

Answer:

Explanation:

I drew lines in the above shape to show 4 equal parts.

**Talk Math** How are halves and fourths different?

Answer:

2 halves makes a whole but 4 fourths a make a whole

Fourths are halves of halves.

**On My Own**

**A quarter of each shape is missing. Draw the missing quarter.**

Question 5.

Answer:

Explanation:

I drew the missing quarter of the each shape.

Question 6.

Answer:

Explanation:

I drew the missing quarter of the each shape.

**Color a fourth of each shape. Write how many parts are shaded.**

Question 7.

__________ of ___________ parts

Answer:

Explanation:

I colored a fourth of each shape

1 of 4 parts is shaded.

Question 8.

___________ of _____________ parts

Answer:

Explanation:

I colored a fourth of each shape

1 of 4 parts is shaded.

**Color one equal part. Fill in the numbers.**

Question 9.

___________ of _____________ parts

Answer:

Explanation:

I colored one part of each shape

1 of 4 parts is shaded.

Question 10.

___________ of _____________ parts

Answer:

Explanation:

I colored one part of each shape

1 of 4 parts is shaded.

**Problem Solving**

Question 11.

Heidi has a cookie. She and 3 friends want to share the cookie. How many equal parts does Heidi need?

_____________ equal parts

Answer:

4 equal parts

Explanation:

Heidi has a cookie

She and 3 friends want to share the cookie

3 + 1 = 4

So, Heidi need to make 4 equal parts to share the cookie with 3 of her friends.

**HOT Problem** Adrianne draws a line on a rectangle to show equal parts. She then draws another line to show more equal parts. Describe what happens to the sizes of the parts.

Answer:

The size of the each parts will decrease with increase in the number of equal parts.

### McGraw Hill My Math Grade 1 Chapter 9 Lesson 10 My Homework Answer Key

**Practice**

**Write how many equal parts make up the whole.**

Question 1.

_____________ equal parts

Answer:

4 equal parts

Explanation:

4 equal parts make up a whole.

Question 2.

_____________ equal parts

Answer:

4 equal parts

Explanation:

4 equal parts will make up a whole.

**Draw lines to show 4 equal parts. Write how many fourths.**

Question 3.

______________ fourths

Answer:

Explanation:

4 fourths

I drew lines to make 4 equal parts

They are 4 fourths.

Question 4.

______________ fourths

Answer:

Explanation:

4 fourths

I drew lines to make 4 equal parts

They are 4 fourths.

**A quarter of each shape is missing. Draw the missing quarter.**

Question 5.

Answer:

Explanation:

I drew the missing quarter of the each shape.

Question 6.

Answer:

Explanation:

I drew the missing quarter of the each shape.

**Color a fourth of each shape. Write how many parts are shaded.**

Question 7.

_________ of __________ parts

Answer:

Explanation:

I colored one part of each shape

1 of 4 parts is shaded.

Question 8.

_________ of ____________ parts

Answer:

Explanation:

I colored one part of each shape

1 of 4 parts is shaded.

Question 9.

Sam and three friends shared a sandwich equally. How many equal parts were there?

___________ equal parts

Answer:

4 equal parts

Explanation:

Sam and three friends shared a sandwich equally

1 + 3 = 4

So, there were 4 equal parts of sandwich.

**Vocabulary Check**

Question 10.

Circle the shape that shows fourths.

Answer:

Explanation:

I drew a circle around the shape that shows fourths.

**Math at Home** Cut a large square, a large rectangle, and a large circle from a piece of paper. Have your child show you fourths by folding the shapes into 4 equal parts.

Answer: