We included HMH Into Math Grade 2 Answer Key PDF Module 8 Lesson 3 Solve Problems Involving Money to make students experts in learning maths.
HMH Into Math Grade 2 Module 8 Lesson 3 Answer Key Solve Problems Involving Money
I Can solve word problems involving coins and bills.
Step It Out
1. Nora saves 4 dimes. Patrick saves 2 nickels. How much money do they save?
A. Count by tens to find how much money Nora saves.
Answer:
40 cents
Explanation:
1 dime = 10 cents
4 x 10 = 40 cents
B. Count by fives to find how much money Patrick saves.
Answer:
5 x 2 = 10 cents
Explanation:
1 nickel = 5 cents
5 + 5 = 10 cents
C. Add to find how much money they save in all.
Explanation:
40 + 10 = 50
total he save 50 cents
D. Solve.
Nora and Patrick save ____.
Answer:
40 + 10 = 50 cents
Explanation:
Nora and Patrick save 50 cents
Step It Out
2. The second graders raise money to buy a fish tank. Max’s class raises an amount equal to one $ 100 bill. Jen’s class raises an amount equal to three $20 bills and five $ I bills. Do they have the money to buy a $ 155 fish tank?
A. How much money does Max’s class have?
Max’s class has ___
Explanation:
1 x 100 = 100
Max’s class has $100
B. How much money does Jen’s class have?
Jen’s class has ___
Explanation:
3 x 20 = 60
5 x 1 = 5
Jen’s class has 60 + 5 = $65
C. Count on to find how much money they have.
____, ____, ___, ___, ____
____, ____, ___, ___
Explanation:
100 + 20 + 20 + 20 + 1 + 1 + 1 + 1 + 1 = $165.
D. Do they have enough money to buy the fish tank? Explain.
Explanation:
Yes, They have enough money to buy the fish tank.
The money need to buy the fish tank is 155 $.
The money raised by the Max’s and Jen’s class is 165 $.
Turn and Talk How much money will they have after they buy the fish tank? Explain.
Explanation:
The money need to buy the fish tank is 155 $.
The money raised by the Max’s and Jen’s class is 165 $.
165 – 155 = 10
$10 is the amount they have after they buy the fish tank
3. Ms. Rivera saves money to buy books for her classroom. She saves four $ 10 bills and three $5 bills. Find another way to make the same amount of money.
A. How much money does Ms. Rivera save?
Four $10 bills is ____
Three $5 bills is ____
Ms. Rivera saves ____
Explanation:
Four $10 bills is 40
4 x 10 = $40
Three $5 bills is 15
3 x 5 = $15
Ms. Rivera saves 55
40 + 15 = $55
B. What is another way you can make $55 using different bills? Draw to show the bills.
__________
Explanation:
The another way to make $55 is three $10 bills and 5 $5 bills
3 x 10 = 30
5 x 5 = 25
30 + 25 = $ 55
C. Count on to check your work.
___, ___, ___, _____
Explanation:
10 + 10 + 10 + 5 + 5 + 5 + 5 + 5 = $55
Check Understanding
Question 1.
Don has 1 quarter and 3 nickels. Pedro has the same amount using different coins. What coins could Pedro have? Draw to show your work.
____________
Answer:
Explanation:
1 quarter and 3 nickels = 25 + 15 = 50
1 x 25 = 25
3 x 5 = 15
Another way
1 dime = 10 cents
5 x 10 = 50
Pedro can have 5 dimes
On Your Own
Question 2.
Reason Manny saves 63¢ and Erica saves 30¢. How much money do they save? Draw and count on to solve.
Draw the money Manny saves.
__________________
Draw the money Erica saves.
___________________
Count on to find how much money Manny and Erica save.
Manny and Erica save _____
Answer:
Manny saves:
Erica saves:
Explanation:
63 + 30 = 93
Manny and Erica save 93¢
Question 3.
Attend to Precision Tristen saves one $5 bill and two $ 10 bills. His sister Monique saves the same amount of money. How much money do they save? Count on to solve.
___, ___, ___, ___, ___, ____
Tristen and Monique save ____
Answer:
5 + 10 + 5 + 10 = 30
$30
Explanation:
1 x 5 = 5
2 x 10 = 10
10 + 5 = 15 is the amount Tristen save
His sister Monique saves the same amount of money.
15 + 15 = 30
Tristen and Monique save $30
Question 4.
Reason Courtney has one $5 bill, and Sam has four $ 1 bills. How much money do they have?
How much money does Courtney have?
One $5 bill is ___.
How much money does Sam have?
Four $1 bills is ___.
Courtney and Sam have ___.
Answer:
Explanation:
One $5 bill is ___.
1 x 5 = 5
Courtney have $5
Four $1 bills is ___.
4 x 1 = 4
Sam have $4
Courtney and Sam have 5 + 4 = $ 9
Question 5.
Attend to Precision Eli buys a toy train and gets 63¢ in change. What are two different combinations of coins Eli could get?
Answer:
Dimes and pennies
Nickels and pennies
Explanation:
First way
6 dimes and 3 pennies
60 + 3 = 63
Second way
13 pennies and 10 nickels
50 + 13 = 63
Question 6.
Use Structure Carmen and Theo save their money. Carmen has one $20 bill and one $5 bill. Theo has the same bills as Carmen. How much money do they save? Count on to solve.
___, ___, ___, ___
Carmen and Theo save ___.
Answer:
Carmen and Theo save $50
20 + 5 + 20 + 5 = $50
Explanation:
Carmen has one $20 bill and one $5 bill.
1 x 20 = 20
1 x 5 = 5
20 + 5 = $25
Theo has the same bills as Carmen
so $25
25 + 25 = $50
Question 7.
Use Repeated Reasoning Sachi buys a peach and gets 39¢ in change. What are two different combinations of coins Sachi could get?
__________________
Answer:
Dimes and pennies
Nickels and pennies
Explanation:
First way
3 dimes and 9 pennies = 39
30 + 3 = 39
Second way
19 pennies and 4 nickels = 39
19 + 20 = 39
On Your Own
Question 8.
Mrs. Martin uses two $20 bills, one $10 bill, one $5 bill, and four $ 1 bills to buy food at the grocery store. How much money does Mrs. Martin spend at the grocery store? Count on to solve.
Mrs. Martin spends ____
Answer:
Explanation:
two $20 bills, one $10 bill, one $5 bill, and four $ 1 bills
2 x 20 = 40
1 x 10 = 10
1 x 5 = 5
4 x 1 = 4
40 + 10 + 5 + 4 = $59
Question 9.
Reason Natalie wants to buy a pencil for 75¢. What are three different coin combinations Natalie could use to buy the pencil?
Answer:
Quarter, Dime and Nickel are the three different coin combinations Natalie could use to buy the pencil
Explanation:
75¢ = one quarter coin and 4 dimes and 2 nickels
1 x 25 = 25
4 x 10 = 40
2 x 5 = 10
25 + 40 + 10 = 75¢
Question 10.
Use Structure Han has 3 dimes and 3 nickels. He finds 3 more nickels. How much money does Han have now?
Han has ___ now.
Answer:
Han has 60 now.
Explanation:
3 dimes = 30
3 x 10 = 30
3 x 5 = 15
3 x 5 = 15
30 + 15 + 15 = 60
Question 11.
Explain how you solved Problem 10.
Answer:
1 Dime = 10 cents
1 nickel = 5 cents
Total = 60 cents
Explanation:
3 dimes = 30
3 x 10 = 30
3 x 5 = 15
3 x 5 = 15
30 + 15 + 15 = 60