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.