Download presentation

Presentation is loading. Please wait.

Published byMiguel McCabe Modified over 3 years ago

1
Take Away Subtraction With Regrouping Base 10 Blocks Allan and Scott

3
Problem: 32 - 17 Build 32 on the top portion of the Subtraction Mat. How many tens? Record it. How many ones? Record it. How much is that?

4
32

5
Write minus seventeen on the middle portion of the mat.

6
32 -17

7
Is it possible to take away seven ones? (no) Exchange a ten for 10 ones and place them on the ones portion of the mat. Record the exchange.

8
32 -17 122

9
Remove seven ones and place them below the line on the small sheet.

10
23 -17 122

11
How many ones left on the Subtraction Mat? (5) Pull them to the bottom portion of the Mat and record.

12
3 122 2 -17 5

13
Remove one of the tens and place it below the line on the small sheet.

14
3 122 2 -17 5

15
How many tens left on the Subtraction Mat? (1) Pull it to the bottom portion of the Mat and record.

16
3 122 2 -17 5 1

Similar presentations

OK

Addition and Subtraction 29 Addition and Subtraction Algorithms 2 ones plus 9 ones equal 11 ones. 11 is 1 ten and 1 one. Record the 1 one in the ones column.

Addition and Subtraction 29 Addition and Subtraction Algorithms 2 ones plus 9 ones equal 11 ones. 11 is 1 ten and 1 one. Record the 1 one in the ones column.

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on total parenteral nutrition definition Ppt on db2 introduction letter Ppt on liquid crystal display Ppt on condition monitoring definition Ppt on search engine optimisation Ppt on natural vegetation and wildlife of north america Ppt on fast food in hindi Ppt on mutual funds Ppt on workplace etiquette powerpoint presentation Ppt on video teleconferencing images