We included HMH Into Math Grade 2 Answer Key PDF Module 11 Lesson 5 Decompose Addends as Tens and Ones to make students experts in learning maths.
HMH Into Math Grade 2 Module 11 Lesson 5 Answer Key Decompose Numbers to Subtract
I Can solve a subtraction problem by breaking apart a number into tens and ones.
Spark Your Learning
How does breaking apart a number make it easier to find how many strawberries Henry has now?
Read the following: Henry picks 26 strawberries.
He eats 14 strawberries. How many strawberries does
Henry have now? Make a concrete model or draw to show the problem.
Answer:
Henry have 12 strawberries now,
Explanation:
Given Henry picks 26 strawberries.
He eats 14 strawberries now breaking apart 14 number
into tens and ones as 10 and 4,
26 – 10 = 16 and 16 – 4 = 12,
Henry has 12 strawberries now.
Build Understanding
Question 1.
In the morning, Sasha sees 29 cars parked on the street.
In the afternoon, she only sees 13 cars. How many cars drove away?
A. How can you draw to show the problem?
Answer:
Explanation:
Drawn to show the problem above as 29 -13.
B. How can you write an equation to show the problem?
___29____ – ___13_____ = ___14_____
Answer:
29 – 13 = 14,
Explanation:
Given In the morning, Sasha sees 29 cars parked on the street.
In the afternoon, she only sees 13 cars. So the equation is
29 – 13 = 14.
C. How can you break apart the number you are subtracting into tens and ones?
__13______ = ___10_____ + ____3_____
Answer:
13 = 10 + 3,
Explanation:
The number 13 that I am subtracting into tens and ones is
10 and 3.
D. Subtract the ten. Then subtract the ones from what you have left
____29___ – ___10_____ = ___19_____
____19___ – ___3_____ = ___4_____
Answer:
29 – 10 = 19,
19 – 3 = 4,
Explanation:
First substracting the ten as 29 – 10 = 19, Then subtracting
the ones from what I have left 19 – 3 = 4.
E. Solve.
___14_____ cars drove away.
Answer:
14 cars drove away,
Explanation:
Given in the morning Sasha sees 29 cars parked on the street.
In the afternoon, she only sees 13 cars. First we substracting the
ten as 29 – 10 = 19, Then subtracting the ones from
what I have left 19 – 3 = 14 or
29 – 10 = 19,
19 – 3 = 14, therefore 14 cars drove away.
Turn and Talk How does thinking about tens and
ones help you solve subtraction problems? Explain.
Answer:
It easy and simple,
Explanation:
Thinking about tens and ones help us solve substracting
problems easy and simple instead of directly we break
apart a number into tens and ones so that first tens will be
subtracted then easily we can substract ones.
Step It Out
Question 1.
Subtract 63 – 22 by breaking apart the numbers.
A. Write an equation.
____63___ – ___22____ = __41_____
Answer:
63 – 22 = 41,
Explanation:
Given to subtract 63 – 22 the equation is
63 – 22 = 41.
B. Break apart the number into tens and ones.
22 → __20_____ + ___2____
Answer:
22–> 20 + 2,
Explanation:
Breaking apart the number 22 into tens and ones as
20 + 2.
C. Subtract the tens.
____63___ – ___20____ = ____43___
Answer:
63 – 20 = 43,
Explanation:
Substracting the tens as 63 – 20 = 43.
D. Subtract the ones from what is left.
____43___ – ___2____ = ____41___
Answer:
43 – 2 = 41,
Explanation:
Substracting the ones from what is left
43 – 2 = 41.
Check Understanding
Question 1.
Break apart the number you are subtracting into tens and ones.
Subtract the tens, then subtract the ones to find the difference.
David has 47 shells. He gives 25 shells to Elena.
How many shells does David have now?
David has ___22______ shells now.
Answer:
David has 22 shells now,
Explanation:
Given David has 47 shells. He gives 25 shells to Elena.
Breaking apart the number we are subtracting into tens and ones.
Subtracting the tens, then subtract the ones to find the difference as
47 – 25,
47 – 20= 27,
27 – 5 = 22, therefore David has 22 shells now.
On Your Own
Break apart the number you are subtracting into tens and ones.
Subtract the tens, then subtract the ones to find the difference.
Question 2.
Look for Repeated Reasoning Greg has 58 marbles.
He gives 17 marbles to Steve. How many marbles does Greg have now?
Greg has ___41_____ marbles now.
Answer:
Greg has 41 marbles now,
Explanation:
Given Greg has 58 marbles.
He gives 17 marbles to Steve.
Subtracting the tens, then subtract the ones to
find the difference as 58 – 17,
58 – 10 = 48 then 48 – 7 = 41,
therefore Greg has 41 marbles.
Question 3.
Reason There are 34 flowers. There are 2 red flowers and the rest are yellow.
How many yellow flowers are there?
There are ___32____ yellow flowers.
Answer:
I’m in a Learning Mind
What helps me finish my work?
Answer: