All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 5 Lesson 9 Count by Fives Using Nickels will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 1 Answer Key Chapter 5 Lesson 9 Count by Fives Using Nickels
Explore and Explain
____________ nickels
How much? ______________ ¢
Teacher Directions: Circle oil of the 
in the bag. Write the number that shows the total number of nickels in the bag. Count by fives to find how many cents (¢) are in the bog. Write how much there is in the bag.
Answer:
Explanation:
I drew circles around the nickels in the bag
There are 3 nickels in the bag
1 nickel = 5 ¢
Count by 5’s
5, 10, 15
3 nickels is equal to 15 ¢
So, the bag has 15 ¢.
See and Show
You can count by fives to count nickels.
Use 
. Count by fives. Write the numbers. How much is there in all?
Question 1.
Answer:
Explanation:
I counted by 5’s and wrote the numbers
There are 25¢in all.
Question 2.
Answer:
Explanation:
I counted by 5’s and wrote the numbers
There are 15¢ in all.
Talk Math My friend wants to give me 1 nickel for 10 pennies. Is that a fair trade? Explain.
Answer:
No, it is not a fair trade.
1 nickel = 5pennies
So, to give 10 pennies you have to give 2 nickels.
On My Own
Use . Count by fives. Write the numbers. How much is there in all?
Question 3.
Answer:
Explanation:
I counted by 5’s and wrote the numbers
There are 10¢ in all.
Question 4.
Answer:
Explanation:
I counted by 5’s and wrote the numbers
There are 35¢ in all.
Question 5.
Answer:
Explanation:
I counted by 5’s and wrote the numbers
There are 40¢ in all.
Problem Solving
Draw a picture to solve.
Question 6.
Mindy has 11 nickels. How much money does she have?
____________ ¢
Answer:
Explanation:
Mindy has 11 nickels
I counted by 5’s and wrote the numbers
So, Mindy have 55¢ in all.
Question 7.
Ben buys a toy that costs 30¢. The only coins he uses are nickels. How many nickels did he use to buy the toy?
____________ nickels
Answer:
Explanation:
Ben buys a toy that costs 30¢
The only coins he uses are nickels
I drew to show 30¢
I counted by 5’s and wrote the numbers
6 nickels makes 30¢
So, Ben uses 6 nickels to buy the toy.
HOT Problem Tamika has 14 nickels. How much money does she have? How many dimes are used to show that same amount?
Answer:
Explanation:
Tamika has 14 nickels
I drew 14 nickels
I counted by 5’s and wrote the numbers
There are 70¢ in all
7 dimes are used to show 70¢
So, Tamika has 70¢ with her.
McGraw Hill My Math Grade 1 Chapter 5 Lesson 9 My Homework Answer Key
Practice
Count by fives. Write the numbers. Write how much there is in all.
Question 1.
Answer:
Explanation:
I counted by 5’s and wrote the numbers
There are 15¢ in all.
Question 2.
Answer:
Explanation:
I counted by 5’s and wrote the numbers
There are 25¢ in all.
Question 3.
Answer:
Explanation:
I counted by 5’s and wrote the numbers
There are 50¢ in all.
Question 4.
Jada buys a doll for 60¢. If she uses all nickels, how many nickels will she use?
______________ nickels
Answer:
Explanation:
Jada buys a doll for 60¢
She uses all nickels
I counted by 5’s and wrote the numbers to show the problem
There are 60¢ in all
So, 12 nickels makes 60¢
Therefore, Jada uses 12 nickels.
Test Practice
Question 5.
Count the coins. How much money is shown?
(A) 10¢
(B) 15¢
(C) 20¢
(D) 25¢
Answer:
(C) 20¢
Explanation:
I counted by 5’s
5, 10, 15, 20
There are 20¢ in all.
Math at Home Give your child several nickels. Have him or her count the coins to tell you how much money they have in all.
Answer:
Explanation:
I counted by 5’s and wrote the numbers
There are 50¢ in all.