Subtract a 2-digit number from a 3-digit number with single regrouping
Objectives
Student will be able to:
calculate the difference between a 3-digit and a 2- or 3-digit number with single regrouping.
solve word problems using subtraction with single regrouping.
Introduction
Use regrouping to find the difference.
STEP 1:
Write the problem vertically. Be sure to line up the digits.
STEP 2:
Subtract the ones digits. Regroup if necessary.
STEP 3:
Subtract the tens digits. Regroup if necessary.
STEP 4:
Subtract the hundreds digits.
Exercises
Complete the exercises. Show all work.
1.
Subtract.
428
Check student's work.
1
.
Correct
Incorrect
Not Assigned
2.
Subtract.
526
Check student's work.
2
.
Correct
Incorrect
Not Assigned
3.
Subtract.
122
Check student's work.
3
.
Correct
Incorrect
Not Assigned
4.
Subtract.
292
Check student's work.
4
.
Correct
Incorrect
Not Assigned
5.
Subtract.
563
Check student's work.
5
.
Correct
Incorrect
Not Assigned
6.
Subtract.
419
Check student's work.
6
.
Correct
Incorrect
Not Assigned
7.
Subtract.
416
Check student's work.
7
.
Correct
Incorrect
Not Assigned
8.
Subtract.
432
Check student's work.
8
.
Correct
Incorrect
Not Assigned
9.
At East Elementary School, there are 909 students. At West Elementary School, there are 854 students. How many more students go to East Elementary?
There are 55 more students at East Elementary.
Check student's work.
9
.
Correct
Incorrect
Not Assigned
10.
Shauna's score on a video game was 562 points. She lost 18 points. How many points does Shauna have now?
Shauna has 544 points.
Check student's work.
10
.
Correct
Incorrect
Not Assigned