We included HMH Into Math Grade 2 Answer Key PDF Module 6 Lesson 2 Add and Subtract 10 or 100 to make students experts in learning maths.
HMH Into Math Grade 2 Module 6 Lesson 2 Answer Key Add and Subtract 10 or 100
I Can add and subtract 10 or 100 from a three-digit number.
Spark Your Learning
How can you show the two numbers?
Read the following: There are 357 toys on the store shelf. Show the number 357. Then 10 toys are sold. Show the number of toys on the shelf now.
Answer:
The remaining toys are 347.
Explanation:
Given that there are 357 toys on the store shelf and in that 10 toys are sold, so the remaining toys are 357-10 which is 347.
Build Understanding
There are 430 cartons of milk. 10 cartons of milk are sold. How many cartons of milk are there now?
A. What do you need to find?
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B. Use a concrete model. Write the number in the chart.
C. Solve. There are ___ cartons of milk in the store now.
A.
Answer:
Here, we need to find the number of cartons of milk is there.
B
Answer:
430-10 = 420,
430+10 = 440.
Explanation:
Here, 10 less than 430 is 430-10 = 420, and 10 more than 430 is 430+10 = 440.
C.
Answer:
There are 420 cartons.
Explanation:
Given that there are 430 cartons of milk and 10 cartons of milk are sold. So the number of cartons of milk are there now is 430-10 which is 420 cartons.
How can you show 10 more than 430?
A. Use a concrete model.
B. Write the number that is 10 more than 430.
Answer:
440.
Explanation:
Here, the number 10 is more than 430 is 430+10 which is 440.
Show 100 less or 100 more than 430.
A. Write the number that is 100 less than 430.
B. Write the number that is 100 more than 430.
Answer:
330, 530.
Explanation:
The number that is 100 less than 430 is 430-100 which is 330.
The number that is 100 more than 430 is 430+100 which is 530.
Turn and Talk What changes in the chart when you write numbers that are 100 more and 100 less? What stays the same?
Answer:
The changes in the chart and which stays the same is tens place.
Step It Out
1. Madeline collects stamps. She has 671 stamps. Her friend gives her 10 more stamps. Then she gets 100 stamps as a gift. Madeline gives 10 stamps to her brother and 100 stamps to a friend. How many stamps does Madeline have now?
Answer:
The number of stamps will be 671 stamps.
Explanation:
Given that Madeline collects stamps and she has 671 stamps, her friend gives her 10 more stamps. The number of stamps does she have is 671+10 which is 681. Then she gets 100 stamps as a gift, so the stamps will be 681+100 which is 781. Madeline gives 10 stamps to her brother and 100 stamps to a friend, the stamps will be 781-110 which is 671. So the number of stamps will be 671 stamps.
A. Madeline has 671 stamps. She gets 10 stamps.
THINK: Which digit will change?
Write the number of stamps she has now. ____
Answer:
The number of stamps she has now is 681 stamps.
Explanation:
Given that Madeline has 671 stamps and she gets 10 stamps. So the number of stamps will be 671+10 which is 681 stamps.
B. Madeline gets 100 stamps as a gift. Write the number of stamps she has now. ____
Answer:
The number of stamps she has now is 781 stamps.
Explanation:
Given that Madeline gets 100 stamps as a gift. So the number of stamps she has now is 681+100 which is 781 stamps.
C. Madeline gives 10 stamps to her brother. Write the number of stamps she has now. ___
Answer:
The number of stamps she has now is 771 stamps.
Explanation:
Given that Madeline gives 10 stamps to her brother, so the number of stamps she has now is 781-10 which is 771 stamps.
D. Madeline gives 100 stamps to a friend. Write the number of stamps she has now. ___
Answer:
She has 671 stamps.
Explanation:
Given that Madeline gives 100 stamps to a friend, so the number of stamps she has now is 771-100 which is 671 stamps.
E. Solve.
Madeline has ____ stamps.
Answer:
Madeline has 671 stamps.
Check Understanding Math Board
Question 1.
Mr. Baum bakes 135 cookies for the bake sale. The first customer buys 10 cookies. How many cookies are there now? Write the number.
____ cookies
Answer:
The number of cookies is there are 125 cookies.
Explanation:
Given that Mr. Baum bakes 135 cookies for the bake sale and the first customer buys 10 cookies. So the number of cookies are there now is 135-10 which is 125 cookies.
On Your Own
Question 2.
Use Structure There are 812 balls in a ball pool. 10 balls spill out. How many balls are in the pool now? Explain.
________________
________________
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Answer:
The number of balls in the pool is 802 balls.
Explanation:
Given that there are 812 balls in a ball pool and 10 balls spill out. So the number of balls are in the pool now is 812-10 which is 802 balls.
Question 3.
Use Repeated Reasoning Use the number in the chart. Write three more numbers. Make each number 100 more than the number before.
___, ___, ____
Answer:
The numbers are 290,390,490,590.
Explanation:
Here, we need to make each number 100 more than the number before. So the three numbers will be 290, 290+100 = 390, 390+100 = 490, 490+100 = 590. So the numbers are 290,390,490,590.
Write the number.
Question 4.
100 less than 514
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Answer:
414
Explanation:
The number 100 less than 514 is 514-100 = 414.
Question 5.
10 more than 848
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Answer:
858.
Explanation:
The number 10 more than 848 is 848+10 = 858.
I’m in a Learning Mindset!
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