We included HMH Into Math Grade 2 Answer Key PDF Module 13 Lesson 2 Rewrite Subtraction Problems to make students experts in learning Maths.
HMH Into Math Grade 2 Module 13 Lesson 2 Answer Key Rewrite Subtraction Problems
I Can rewrite subtraction problems and find the difference.
Step It Out
1. Janet has 54 rocks in her rock garden. She removes 17 rows. How many rocks does Janet have now?
54 – 17 = __
A. Rewrite the subtraction in the chart. For each number, write the tens in the Tens column. Then write the ones in the Ones column.
Answer:
B. Subtract the ones. Regroup if you need to.
Regroup 5 tens 4 ones
___ tens or ___ ones.
14 ones – 7 ones = ___ ones.
Answer:
4 tens or 14___ ones.
14 ones – 7 ones = 7 ones.
C. Write the number of ones left in the ones place.
Answer:
7 ones
D. Subtract the tens. Write the number of tens left in the tens place.
14 tens – 1 ten = ___ tens
Answer:
14 tens – 1 ten = 13 tens
E. Write the difference as tens and ones.
___ tens ___ ones
Answer:
3 tens 7 ones
F. Solve. Janet has ___ rocks now.
Answer:
Janet has 37 rocks now.
Explanation:
In rewriting subtraction,
regroup the tens and ones columns first,
then subtract the smaller number from the bigger number.
If required borrow from the tens to subtract.
Step It Out
2. There are 57 children in Mr. Gabes chorus. 28 of the children are in second grade, and the rest are in third grade. How many children are in third grade?
A. Rewrite the subtraction in the chart.
Answer:
B. Subtract the ones. Regroup if you need to.
Regroup 5 tens 7 ones as __ tens ___ ones.
___ ones – 8 ones = ___ ones
Answer:
Regroup 5 tens 7 ones as 4 tens 17 ones.
17 ones – 8 ones = 9 ones
C. Write the number of ones left in the ones place.
Answer:
9 ones
D. Subtract the tens. Write the number of tens in the tens place.
___ tens – 2 tens = __ tens
Answer:
4 tens – 2 tens = 2 tens
E. Write the difference as tens and ones. __ tens ___ ones
Answer:
2 tens 9 ones
F. Solve. ___ children are in third grade.
Answer:
By subtracting the smaller number 28 from the bigger number 57,
we get the 3rd grade children as 29.
Explanation:
There are 57 children in Mr. Gabes chorus.
28 of the children are in second grade, and the rest are in third grade.
Number of children in third grade = 57 – 28 = 29
Turn and Talk How do you show regrouping?
Answer:
Explanation:
We use regrouping in subtraction when the minuend is smaller than the subtrahend.
First regroup the tens and ones than subtract ass shown above.
Check Understanding Math Board
Question 1.
Rewrite the subtraction. Find the difference.
43 – 17 = __
Answer:
43 – 17 = 26
Explanation:
Regroup the tens and ones when the minuend is smaller than the subtrahend,
to find the difference.
On Your Own
Attend to Precision Rewrite the subtraction. Find the difference.
Question 2.
There are 74 bananas in the lunchroom at breakfast. Then 59 bananas are eaten. How many bananas are left?
Answer:
15 bananas
Explanation:
There are 74 bananas in the lunchroom at breakfast. Then 59 bananas are eaten.
Total bananas left = 74 – 59 = 15
Question 3.
Answer:
89 – 20 = 69
Explanation:
Subtract the ones. 9 – 0 = 9
Write the number of ones left in the ones place = 9
Subtract the tens = 8 – 2 = 6
Write the number of tens in the tens place = 6
Write the difference as tens and ones = 69
89 – 20 = 69
Question 4.
Answer:
52 – 38 = 14
Explanation:
Subtract the ones. Regroup if you need.
12 – 8 = 4
Write the number of ones left in the ones place = 4
Subtract the tens = 4 – 3 = 1
Write the difference as tens and ones = 14
52 – 38 = 14
Question 5.
Answer:
63 – 8 = 55
Explanation:
Subtract the ones. Regroup if you need.
13 – 8 = 5
Write the number of ones left in the ones place = 5
Subtract the tens = 5 – 0 = 5
Write the difference as tens and ones = 55
63 – 8 = 55
Question 6.
Answer:
23 = 50 – 27
Explanation:
Regroup the tens and ones, to find the difference.
when the minuend is smaller than the subtrahend in ones place,
borrow tens from tens place to get the difference.
50 – 27 = 23
Question 7.
Answer:
65 – 39 = 26
Explanation:
Regroup the tens and ones, to find the difference.
when the minuend is smaller than the subtrahend in ones place,
borrow tens from tens place to get the difference.
65 – 39 = 26
Question 8.
Answer:
17 = 83 – 66
Explanation:
Regroup the tens and ones, to find the difference.
when the minuend is smaller than the subtrahend in ones place,
borrow tens from tens place to get the difference.
83 – 66 = 17
On Your Own
Use Structure Rewrite the subtraction. Find the difference.
Question 9.
A tennis team practices with 41 tennis balls. Some tennis balls are green and some are yellow. The team practices with 28 yellow tennis balls. How many green tennis balls does the team practice with?
___ green tennis balls
Answer:
41 – 28 = 13
13 green tennis balls
Explanation:
A tennis team practices with 41 tennis balls.
The team practices with 28 yellow tennis balls.
Number of green tennis balls the team practice = 41 – 28 = 13
Question 10.
Answer:
81 – 42 = 39
Explanation:
Regroup the tens and ones, to find the difference.
when the minuend is smaller than the subtrahend in ones place,
borrow tens from tens place to get the difference.
81 – 42 = 39
Question 11.
Answer:
70 – 26 = 44
Explanation:
Regroup the tens and ones, to find the difference.
when the minuend is smaller than the subtrahend in ones place,
borrow tens from tens place to get the difference.
70 – 26 = 44
Question 12.
Answer:
8 = 26 – 18
Explanation:
Regroup the tens and ones, to find the difference.
when the minuend is smaller than the subtrahend in ones place,
borrow tens from tens place to get the difference.
18 – 26 = 8
Question 13.
Open Ended Complete the subtraction problem. Write numbers to equal the difference. Write a word problem to match.
Answer:
James has 65 marbles in his bag. Out of which 26 are green and some are yellow.
How many green marbles does James has in his bag?
Explanation:
To equal the given difference,
numbers are 65 and 26.
65 – 26 = 39