Subtraction With Strip Board: Difference between revisions
From Montessori Album
Line 26: | Line 26: | ||
# next step | # next step | ||
#:[[File:Sub Strip Board 8.JPG|240px]] | #:[[File:Sub Strip Board 8.JPG|240px]] | ||
#:record the equation and answer | |||
=== Presentation Two === | === Presentation Two === |
Revision as of 09:24, 4 July 2019
Subtraction With Strip Board | |
---|---|
Math - Memory Work | |
Level | Primary |
Age | 5+ |
This activity gives the child practice figuring out and memorizing subtraction facts.
Presentations
Presentation One
- 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
Presentation Two
Points of Interest
Control of Error
Variations and Extensions
Material
Where to Buy
Thinkamajigs $28.95
Thinkamajigs $116.95 (AMI)
merocomontessori $15.5 (Hundred Board)
Hello Wood $59.00 (variation on the traditional material)
Visit www.kidkenmontessori.com