Subtraction With Strip Board
From Montessori Album
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|Subtraction With Strip Board|
|Math - Memory Work|
This activity gives the child practice figuring out and memorizing subtraction facts.
- Take the material to a mat or table. Lay out as shown.
- The first page should have just one problem: 18-9=
- The next page should have two problems: 17-9= and 17-8=
- Take the 9 strip and cover up the numbers starting from the end. The last visible number is the answer.
- Then take the 8 strip and cover up the numbers starting from the end. The last visible number is the answer.
- next step