The Exchange Tray: Difference between revisions
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This activity teaches the child | This activity teaches the child that 10 units are the same as 1 ten, that 10 tens are the same as 1 hundred, and that 10 hundreds are the same as 1 thousand. | ||
== Presentation == | == Presentation == | ||
# | # Prepare a tray with 10 unit beads, 9 ten bars, and 9 hundred squares. | ||
#: [[File:Exchange Tray 1.JPG|220px|center]] | #: [[File:Exchange Tray 1.JPG|220px|center]] | ||
# | # Lay the beads out on a mat as shown. | ||
#: [[File:Exchange Tray 2.JPG|220px|center]] | #: [[File:Exchange Tray 2.JPG|220px|center]] | ||
# | # Count the unit beads, moving the down as you do (or moving them into a small bowl). "1 unit, 2 units, 3 units..." | ||
#: [[File:Exchange Tray 3.JPG|220px|center]] | #: [[File:Exchange Tray 3.JPG|220px|center]] | ||
# step four | # step four | ||
Revision as of 17:31, 22 April 2013
| The Exchange Tray | |
|---|---|
| Math - Introduction to the Decimal System | |
 | |
| Level | Primary |
| Age | 4 - 5 |
| Prerequisites | Association of Beads and Cards |
| Materials | Golden Beads: 10 unit beads 9 ten bars 9 hundred squares tray |
This activity teaches the child that 10 units are the same as 1 ten, that 10 tens are the same as 1 hundred, and that 10 hundreds are the same as 1 thousand.
Presentation
- Prepare a tray with 10 unit beads, 9 ten bars, and 9 hundred squares.
- Lay the beads out on a mat as shown.
- Count the unit beads, moving the down as you do (or moving them into a small bowl). "1 unit, 2 units, 3 units..."
- step four
- step five
- step six
- step seven
- step eight
- step nine
- step two
- step two
- step two
