Go through the Math in Focus Grade 1 Workbook Answer Key Chapter 19 Money to finish your assignments.

Math Journal

Susan and Marta place all their money on a table.

Write sentences about the money you see. Say what you can buy with it.

Example
There are eight dimes. There are __________ coins in all. I can exchange 2 nickels with _________. I can buy _________ with 50¢.

Question 1.
how many quarters are there, and the sum of the quarter coins is ?
There are 4 quarter coins, and the sum of the quarter coins is $1. Explanation: 1 quarter = 25¢ 4 quarters = 25¢ + 25¢ + 25¢ + 25¢ =$1

Question 2.
find the sum of nickels and pennies place on the table
Explanation:
2 nickels and 4 pennies are there on the table
1 nickel = 5¢
1 penny = 1¢
5¢ +5¢ + 1¢ + 1¢ + 1¢ + 1¢ = 14¢

Question 3.
How many coins placed on the table?
18 coins
Explanation:
8 dimes, 4 quarters, 2 nickels and 4 pennies are there on the table.
Total coins = 8 + 4 + 2 + 4 18

Question 4.
what is the total value of the money placed on the table in ¢
Explanation:
8 dimes, 4 quarters, 2 nickels and 4 pennies are there on the table.
1 dime = 10¢
1  quarter = 25¢
1 nickel = 5¢
1 penny = 1¢
Total money placed on table
= 8 x 10 + 4 x 25 + 2 x 5 + 4 x 1
= 80 + 100 + 10 +4
= 194¢

Challenging Practice

Circle the coins to show the amount. Use the least number of coins.

Question 1.

Explanation:
2 quarters = 50¢
1 quarter = 25¢
25¢ + 25¢ = 50¢

Question 2.

Explanation:
1 quarter + 2 dimes + 1 penny
1 quarter = 25¢
1 dime = 10¢
1 penny = 1¢
25¢ + 10¢ + 10¢ + 1¢ = 46¢

Question 3.

Explanation:
1 dime + 1 nickel + 4 pennies
1 dime = 10¢
1 nickel = 5¢
1 penny = 4¢
10¢ + 5¢ + 4¢ = 19¢

Solve.

Does Jordan have enough money?

Question 4.

75¢ – 70¢ = 5¢

Explanation:
Tordon has 3 quarters.
1 quarter = 25¢
25¢ + 25¢ + 25¢ = 75¢
Cost of soft drink = 70¢
75¢ – 70¢ = 5¢

Question 5.

35¢ – 33¢ = 2¢

Explanation:
Tardon has 3 dimes and 1 nickel
1 dime = 10¢
1 nickel = 5¢
Total amount he has = 30¢ + 5¢ = 35¢
Cost of ball = 33¢
Total change he get back
= 35¢ – 33¢ =2¢

Question 6.

79¢ – 55¢ = 24¢

Explanation:
2 quarters and 1 nickel
1 quarter = 25¢ and 1 nickel = 5¢
Total amount he has = 25¢ + 25¢ + 5¢ = 55¢
Cost of a pair of socks = 79¢
Total change he needs = 79¢ – 55¢ = 24¢

The picture graph shows the coins Britney has in her piggy bank.

Coins in Britney’s Piggy Bank

Find the value of the coins in Britney’s piggy bank.
Explanation:
1 dime = 10¢
4 dimes x 10¢ = 40¢
1 nickel = 5¢
3 nickels x 5¢ = 15¢
1 penny = 1¢
5 pennies x 1¢ = 5¢
Total coins = 40¢ +15¢ +5¢ = 60¢

Problem Solving

Question 1.
Kenny wants to buy these juices.

He uses four coins. Draw the coins Kenny uses.

Explanation:
He uses 1 quarter and 1 nickel for orange juice
25¢+5¢ for orange juice and
He uses 2 dimes for apple juice
10¢ +10¢ for apple juice
Total 4 coins he used are one quarter and one nickel and two dimes.

Question 2.
Brenda has less than 95¢. After buying a pen, she has 15¢ left. Which pen does she buy?

Pen A
Explanation:
Brenda has less than 95¢.
After buying a pen, she has 15¢ left.
Cost of pen A = 60¢
60¢ + 15¢ = 75¢
75¢ is less then 95¢

Question 3.
Keith has more than 70¢ but less than 90¢. He buys one of the food items. He has 12¢ left. Which food does he buy?

Explanation:
Keith has more then 70¢ and less the 90¢
Cost of orange 30¢
Cost of pear 43¢
Cost of bananas 12¢
Total food he bought
30¢ + 43¢ + 12¢ = 85¢
85¢ is more then 70¢ and less the 90¢

Rex wants to buy a balloon for 45¢ He has quarters, dimes, and nickels. He can make 45¢ in 8 ways.

Write the correct number of coins.

Chapter Review/Test

Vocabulary

Choose the correct word.

quarter
less
penny
dime
nickels

Question 1.
A ___________ has a value of 10¢.
Dime
Explanation:
A dime has a value of 10¢.

Question 2.
A ___________ has a value of 25¢.
Quarter
Explanation:
A quarter has a value of 25¢.
It means one fourth of Dollar.

Question 3.
A dime is ___________ than a quarter.
Explanation:
1 dime = 10¢
1 quarter = 25¢
So, dime is less than a quarter.

Question 4.
A nickel is greater than a ___________.
A nickel is greater than a penny.
Explanation:
1 nickel = 5¢
1 penny = 1¢
So, nickel is greater than penny.

Question 5.
2 ___________ have a value of 10¢.
Nickels
Explanation:
1 nickel = 5¢
2 nickels have a value of 10¢.

Concepts and Skills

Identify each coin.

Question 6.

Dime
Explanation:
The above coin represents dime.
1 dime = 10¢

Question 7.

Nickel
Explanation:
The above coin represents Nickel.
1 nickel = 5¢

Question 8.

Penny
Explanation:
The above coin represents Penny.
1 penny = 1¢

Question 9.

Quarter
Explanation:
The above coin represents quarter.
1 quarter = 25¢
4 quarters = \$1

Fill in the blanks.

Question 10.

2 dimes + 1 nickel = 1 quarter
Explanation:
1 dime = 10¢
1 nickel = 5¢
10¢ + 10¢ + 5¢ = 25¢

Question 11.

1 nickel + 5 pennies = 1 dime
Explanation:
1 dime = 10¢
1 nickel + 5 pennies = 1 dime
1 nickel = 5¢
1 penny = 1¢
5¢ + 5¢ = 10¢

Count the money.

Question 12.

is ___________ ¢.
Explanation:
2 quarters + 1 nickel
1 quarter = 25¢
1 nickel = 5¢
25¢ + 25¢ + 5¢ = 55¢

Question 13.

is _____________ ¢.
Explanation:
5 dimes + 1 nickel + 3 pennies
1 dime = 10¢
1 nickel = 5¢
1 penny = 1 5¢
5 x 10 + 5 + 3 x 1 = 58¢

Question 14.
80¢ + 15¢ = ____________
Explanation:
In addition if we change the order of numbers, the sum does not change.
The sum is always greater then the addends.
80¢ + 15¢ = 95¢

Question 15.
38¢ – 19¢ = ____________
Explanation:
Subtract the small amount from the big amount to get the difference.
38¢ – 19¢ = 19¢

Problem Solving

Solve.

Question 16.
Zack has 64¢. He buys a pencil for 25¢. How much does he have left?
He has __________ left.
Explanation:
Zack has 64¢.
He buys a pencil for 25¢.
Total change left with him
64¢ – 25¢ = 39¢

Question 17.
Wendy buys a notebook for 52¢, a bun for 19¢, and a drink for 23¢. How much does she spend?
She spends ____________.