Download presentation

Presentation is loading. Please wait.

Published byEfren Claybrooks Modified over 3 years ago

1
Subtracting By Regrouping By: Priscilla Montgomery Rolling Hills Elementary Huntsville, AL

2
Subtracting by Regrouping 5 4 5 4 - 2 6 - 2 6

3
Place Values Ones 123 19 Tens 57785778 In using place value, read numbers from right to left. The first number is the ones place, the second number is the tens place.

4
On no! Can’t Subtract! Look at the bottom number. If your bottom is larger, you need to borrow. 5 4 - 2 6

5
We Need to Regroup! On your paper copy the problem. On your paper copy the problem. Look at the top number. Look at the top number. Do I have enough to subtract? NO! Do I have enough to subtract? NO! Scratch me, go next door, scratch Scratch me, go next door, scratch that number, make it smaller, go back to the ones place, rewrite that number and place a 1 on the side. Not on the head, not on the back but on the side. Mash in the bottom number and count up to the top number. The number you stop on is the answer. that number, make it smaller, go back to the ones place, rewrite that number and place a 1 on the side. Not on the head, not on the back but on the side. Mash in the bottom number and count up to the top number. The number you stop on is the answer. Proceed with the tens place. Proceed with the tens place.

6
You Try It! 9 3 9 3 - 7 8 - 7 8

7
See If You Can Do It Again! 8 2 8 2 - 6 3 - 6 3

8
Great—You’re a Pro!

Similar presentations

OK

Leonard D. Magee Copyright © 2005 - 2012 all right reserved SUBDITION Subtraction without Borrowing or Regrouping.

Leonard D. Magee Copyright © 2005 - 2012 all right reserved SUBDITION Subtraction without Borrowing or Regrouping.

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on you can win book Ppt on model view controller python Ppt on allotropes of carbon Ppt on electromagnetic field Animated ppt on magnetism perfume Ppt on atrial septal defect treatment Ppt on standard operating procedures Ppt on pop art Ppt on fractions for class 4 Ppt on abo blood grouping