We included HMH Into Math Grade 2 Answer Key PDF Module 7 Lesson 2 Identify and Find the Value of Coins to make students experts in learning maths.
HMH Into Math Grade 2 Module 7 Lesson 2 Answer Key Identify and Find the Value of Coins
I Can identify and find the total value of a group of coins.
Spark Your Learning
How can you use tools or draw to show the coins in the bag? Write the total value of the coins.
Place some play coins (between 2-9 climes and between 1-5 pennies) in a paper bag. Give a paper bag of coins to each group. Have a child in each group grab a handful of coins. Ask children to use tools or draw to show the coins chosen from the bag. Then read the following: What is the total value of the coins? Think about how many tens and ones are shown by the coins.
Build Understanding
Patrick uses these coins to buy on apple. What is the total value of his coins?
A. What is the value of each coin?
penny ___ ¢ nickel _____ ¢
dime ___ ¢ quarter ___ ¢
Answer:
Penny – 1¢,
Nickel – 5¢,
Dime – 10¢,
Quarter – 25¢.
Explanation:
As Patrick uses these coins to buy an apple, the value of the coins is 1 quarter is 25 cents, 1 penny is 1 cent, 1 nickel is 5 cents and 1 dime is 10 cents.
B. How can you count pennies?
Count by __
Answer:
We can count pennies as 1 penny is 1¢.
C. How can you count nickels? Count by ___
Answer:
We can count nickels as 1 nickel is 5¢.
D. How can you count dimes?
Count by ___
Answer:
We can count dimes as 1 dime is 10¢.
Connect to Vocabulary
A nickel has a value of 5¢.
A quarter has a value of 25¢.
E. Start with the quarter. How can you count on to find the total value of the coins Patrick has?
_____ ¢, ___ ¢, ___¢, ___¢, ___¢, ___¢
F. What is the total value of the coins? ___ ¢
Turn and Talk How are a quarter, a dime, a nickel, and a penny different? Explain.
Step It Out
1. Zoe has 3 dimes, 2 nickels, and 2 pennies. What is the total value of her coins?
A. First, count the dimes by 10s.
Answer:
As there are 3 dimes which is 30¢.
B. Next, count on the nickels by 5s.
Answer:
As there are 2 nickels, which is 10¢.
C. Then count on the pennies by 1s.
Answer:
As there are 2 pennies which is 2¢.
D. Write the total value of Zoe’s coins. ___ ¢
Answer:
The total value of Zoe’s coins is 42¢.
Explanation:
The total value of the coins is 30+10+2 which is 42¢.
2. Marc has I quarter, 2 dimes, and 2 nickels. What is the total value of his coins?
A. First, write the value of the quarter.
Answer:
As there is 1 quarter, the value is 25¢.
B. Next, count on the dimes by 10s.
Answer:
As there are 2 dimes, the value is 20¢.
C. Then count on the nickels by 5s.
Answer:
As there are 2 nickels, the value is 10¢.
D. Write the total value of Marc’s coins. __ ¢
Answer:
55¢
Explanation:
The total value of Marc’s coins is 25+20+10 which is 55¢.
Step It Out
3. Mrs. Lee has some coins in her coin purse. What is the total value of her coins?
Answer:
The total value is 95¢.
Explanation:
Given that Mrs. Lee has some coins in her coin purse, the total value of the coins is 3 quarters, 1 dime, 1 nickel, and 1 penny, which is 75+10+5+1 = 91¢.
A. Trace the numbers to complete the number line to show counting by twenty-fives.
B. Count by twenty-fives to count the quarters. Then count by tens, fives, and ones to count the dimes, nickels, and pennies.
___¢, ___¢, ___¢, ___¢, __¢, ___¢
C. Write the total value of Mrs. Lee’s coins. ___ ¢
Answer:
The total value of Mrs. Lee’s coins is 91¢.
Check Understanding Math Board
Question 1.
Sergio uses these coins to buy a snack. Count on to find the total value of his coins.
Answer:
The count of the coins is 78¢.
Explanation:
Given that Sergio uses coins to buy a snack. So the count of the coins is 75+3 which is 78¢.
On Your Own
Question 2.
Use Repeated Reasoning Molly finds these coins in her backpack. What is the total value of her coins?
Answer:
The value of the coins is 42¢.
Explanation:
Given that Molly finds some coins in her backpack, the value of the coins is 30+10+2 which is 42¢.
Question 3.
Attend to Precision Tyler keeps these coins in a jar. What is the total value of his coins?
total value: ___ ¢
Answer:
The value of the coins is 70¢.
Explanation:
In the above image, we can see 2 quarters, 1 dime, and 2 nickels. So the value of the coins is 50+10+10 which is 70¢.
Use Structure Count on to find the total value.
Question 4.
Answer:
The value of the coins is 41¢.
Explanation:
In the above image, we can see 2 dimes, 4 nickels, 1 penny. So the value of the coins is 20+20+1 = 41¢.
Question 5.
Answer:
The value of the coins is 60¢.
Explanation:
In the above image, we can see that 1 quarter, 2 dimes, 3 nickels. So the value of the coins is 25+20+15 which is 60¢.
On Your Own
Question 6.
Attend to Precision Sara uses these coins to buy a toy airplane. What is the total value of Sara’s coins? Explain.
Answer:
The total value of the coins is 75¢.
Explanation:
Given that Sara uses coins to buy a toy airplane, we can see 2 quarters, 1 dime, and 3 nickels. So the total value of the coins is 50+10+15 which is 75¢.
Question 7.
Open Ended Liz wants to buy a dog magnet for 67¢. What coins can she use to buy the magnet? Draw to show your answer.
Answer:
Liz uses 2 quarters, 1 dime, 1 nickel, and 2 pennies.
Explanation:
Given that Liz wants to buy a dog magnet for 67¢ and the coins she can use to buy the magnet is 2 quarters, 1 dime, 1 nickel, and 2 pennies. As 1 quarter is 25 cents, 1 penny is 1 cent, 1 nickel is 5 cents and 1 dime is 10 cents, so 50+10+5+2 which makes 67¢.
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