We included HMH Into Math Grade 2 Answer Key PDF Module 7 Lesson 1 Count Within 1,000 to make students experts in learning maths.
HMH Into Math Grade 2 Module 7 Lesson 1 Answer Key Count Within 1,000
I Can show and write money amounts using tens and ones.
Spark Your Learning
How can you show 12? How can you show 12¢?
Read the following: Kyle buys a pencil for 12¢. How can you show 12¢? Then have children discuss how their concrete models or drawings for 12 and 12¢ are alike.
Answer:
Given that Kyle bought a pencil for 12¢, here we have shown the drawing of 12 and 12¢.
Build Understanding
Sana buys some marbles with 2 dimes and 3 pennies. Show her coins using tens and ones. Then find the total value of the coins.
Answer:
The total value of the coins will be 20+3 which is 23 cents.
Explanation:
Given that Sana bought some marbles with 2 dimes and 3 pennies. As 1 dime is 10 cents, so 2 dimes will be 10+10 which is 20 cents. And 1 penny is 1 cent, so 3 pennies will be 1+1+1 = 3 cents. So the total value of the coins will be 20+3 which is 23 cents.
Connect to Vocabulary
¢ is a cent sign.
A dime has a value of 10¢.
A penny has a value of 1¢.
A. A dime has a value of 10¢, or 1 ten. A penny has a value of 1., or 1 one. How can you show 2 dimes and 3 pennies in the chart?
Answer:
B. How many tens and ones are there?
___ tens ___ ones
Answer:
2 tens and 3 ones.
Explanation:
There are 2 tens and 3 ones are there.
C. What is the total value of the coins? ____¢
Answer:
23 cents.
Explanation:
The total value of the coins is 23 cents.
Turn and Talk Why do you use tens and ones to show dimes and pennies? Explain.
Answer:
We have used tens and ones to know the count easily.
Jack puts 4 dimes and 6 pennies in his coin bank today. Show these coins using tens and ones. Then find the total value of the coins.
A. How can you show 4 dimes and 6 pennies in the chart? Draw to show your work.
B. How many tens and ones are there?
___ tens ___ ones
Answer:
4 tens and 6 ones.
Explanation:
There are 4 tens and 6 ones.
C. What is the total value of the coins? ___ ¢
Answer:
46¢.
Explanation:
The total value of the coins is 4 tens + 6 ones which is 46¢.
Check Understanding
Question 1.
Talla finds these coins in her pocket. Write the number of tens and ones. Then find the total value of the coins.
___ tens ___ ones
___ ¢
Answer:
3 tens and 2 ones, 32¢.
Explanation:
Given that Talla finds these coins in her pocket, so the above coins are 3 dimes and 2 pennies. As 1 dime is 10 cents, so 3 dimes is 3×10 = 30 cents and 1 penny is 1 cent, so 2 pennies will be 2×1 = 2. So the total value will be 30+2 = 32 cents which has 3 tens and 2 ones.
On Your Own
Question 2.
Use Structure Isabel uses 6 dimes and 5 pennies to buy a juice box. Draw in the chart to show the coins she uses. Write the number of tens and ones. Then find the total value of Isabel’s coins.
____ tens ___ ones ____ ¢
Answer:
6 tens and 5 ones and 65¢.
Explanation:
Given that Isabel uses 6 dimes and 5 pennies to buy a juice box. As 1 dime is 10 cents, so 6 dimes is 6×10 which is 60 cents and 1 penny is 1 cent, so 5 pennies will be 5×1 which is 5 pennies. So the total value is 60+5 = 65 cents which has 6 tens and 5 ones.
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