All the solutions provided in **McGraw Hill My Math Grade 1 Answer Key PDF Chapter 5 Lesson 3 Count by Tens Using Dimes **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 1 Answer Key Chapter 5 Lesson 3 Count by Tens Using Dimes

**Explore and Explain**

____________ dimes

How much? _____________ ¢

**Teacher Directions:** Circle oil of the in the register. Write the number that shows the total number of dimes in the register. Count by tens to find how many cents (¢) are in the register. Write how much.

Answer:

Explanation:

I drew circles around the dimes in the register

There are 4 dimes

Count by 10’s

10, 20, 30, 40

4 dimes is 40 ¢

So, there are 40 ¢ in the register.

**See and Show**

You can count by tens to count dimes.

**Use . Count by tens. Write the numbers. How much in all?**

Question 1.

Answer:

Explanation:

I counted by 10’s

10, 20, 30

There are 30 ¢ in all.

Question 2.

Answer:

Explanation:

I counted by 10’s

10, 20

There are 20 ¢ in all.

Question 3.

Answer:

Explanation:

I counted by 10’s

10, 20, 30, 40, 50, 60, 70

There are 70 ¢ in all.

**Talk Math** How many dimes are the same as 40 pennies?

Answer:

Explanation:

I counted by 10’s

10, 20, 30, 40

There are 40 ¢ in all

So, 4 diems are equal to 40 pennies.

**On My Own**

**Use . Count by tens. Write the numbers. How much in all?**

Question 4.

Answer:

Explanation:

I counted by 10’s

10, 20, 30, 40

There are 40 ¢ in all.

Question 5.

Answer:

Explanation:

I counted by 10’s

10, 20, 30, 40, 50, 60

There are 60 ¢ in all.

Question 6.

Answer:

Explanation:

I counted by 10’s

10, 20, 30, 40, 50

There are 50 ¢ in all.

Question 7.

Answer:

Explanation:

I counted by 10’s

10, 20, 30, 40, 50, 60, 70

There are 70 ¢ in all.

**Problem Solving**

Question 8.

You have 2 coins. They equal 20 cents. Draw the coins you have.

Answer:

Explanation:

I drew to show the coins that i have

I have 2 coins

1 coin is equal to 10 cents

I counted by 10’s

10, 20

There are 20 ¢ in all.

Question 9.

Kira is at the fair. She ¡s playing a dime toss game. She throws 90¢ in dimes. Circle how many coins she tosses.

Answer:

Explanation:

Kira is at the fair

She ¡s playing a dime toss game

She throws 90¢ in dimes

I drew a circle around 9 dimes to show 90¢ that is the number of coins she tosses.

**HOT Problem** Kieran has 2 dimes Austin has 4 dimes, and Leroy has 1 dime. How much money do they have in all? Explain.

Answer:

Explanation:

Kieran has 2 dimes Austin has 4 dimes, and Leroy has 1 dime

I counted by 10’s

2 + 4 + 1 = 7

10, 20, 30, 40, 50, 60, 70

There are 70 ¢ in all.

### McGraw Hill My Math Grade 1 Chapter 5 Lesson 3 My Homework Answer Key

**Practice**

**Count by tens. Write the numbers. How much in all?**

Question 1.

Answer:

Explanation:

I counted by 10’s

10, 20, 30

There are 30 ¢ in all.

Question 2.

Answer:

Explanation:

I counted by 10’s

10, 20, 30, 40, 50, 60, 70

There are 70 ¢ in all.

Question 3.

Answer:

Explanation:

I counted by 10’s

10, 20, 30, 40, 50

There are 50 ¢ in all.

Question 4.

Answer:

Explanation:

I counted by 10’s

10, 20, 30, 40, 50, 60

There are 60 ¢ in all.

Question 5.

Addison has 8 dimes in her purse. How much is there in all?

____________ ¢

Answer:

Explanation:

Addison has 8 dimes in her purse

I counted by 10’s

10, 20, 30, 40, 50, 60, 70, 80

There are 80 ¢ in all

So, Addison has 80 ¢ in all.

**Test Practice**

Question 6.

Myron buys a small basketball for 90¢. How many dimes show 90¢?

(A) 10 dimes

(B) 9 dimes

(C) 8 dimes

(D) 7 dimes

Answer:

(B) 9 dimes

Explanation:

Myron buys a small basketball for 90¢

Count by 10’s

10, 20, 30, 40, 50, 60, 70, 80, 90

So, 9 dimes shows 90¢.

**Math at Home** Give your child different amounts of dimes from 1 to 9. Have them tell you how many dimes they have and how much money in all.