
Three-Digit Addition and Subtraction
Presentation
•
Mathematics
•
2nd - 4th Grade
•
Hard
Joseph Anderson
FREE Resource
5 Slides • 6 Questions
1
6.7 3-digit subtraction regrouping tens
By Sandy AlMahsiri
2
Poll
On a scale of 1-4, how would you rate your understanding when subtracting 3-digit numbers?
I have a lot to learn
I know a lot but need help
I think I know how but need a little help
I know
3
4
Multiple Choice
H T O
6 9 5
- 3 2 3
Step1: look at the ones. do you have
enough ones to subtract
yes
no
5
Multiple Choice
Find the difference
H T O
6 9 5
- 3 2 3
978
378
372
1018
6
Multiple Choice
Step1: look at the ones. do you have
enough ones to subtract
7 9 5
- 2 6 6
yes
no
7
Draw
Step1: look at the ones. do you have
enough ones to subtract
rgroup one ten as ten ones
7 9 5
- 2 6 6
Step 2: subtract the ones
step 3: subtract the tens
step 3 subtract the hundreds
8
Multiple Choice
5 6 4
- 3 2 1
Do you need to regroup?
I need to regroup
No need to regroup
9
10
11
6.7 3-digit subtraction regrouping tens
By Sandy AlMahsiri
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