Difference between revisions of "Subtraction Chart A"
From wikisori
(New page: ==Subtraction Chart A== === Age === 3-6 <br /> === Materials === <ol><li>Subtraction Chart A, a chart giving positive results only for numbers 1 to 18, taking away numbers 1 to 9.</li><li>...) |
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− | + | === Materials === | |
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− | + | #Subtraction Chart A, a chart giving positive results only for numbers 1 to 18, taking away numbers 1 to 9. | |
− | + | #Slips on which are written all the subtraction combinations of 1 to 18. | |
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− | <br | + | <br> |
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+ | === Preparation === | ||
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+ | <br> | ||
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+ | === Presentation === | ||
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+ | #Directress shows the child how to use the Chart A. She takes out a slip, e.g. 9-3. First, find 9 on the top of the chart, and then find -3 on the right hand side. Place two fingers on the two numbers and move the fingers, sliding down and along until they meet 6. Record the answer. | ||
+ | #The child continues in this manner for all the slips. | ||
+ | |||
+ | <br> | ||
+ | |||
+ | === Control Of Error === | ||
+ | |||
+ | The structure of the chart provides the child with the correct answer. <br> | ||
+ | |||
+ | === Points Of Interest === | ||
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+ | <br> | ||
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+ | === Purpose === | ||
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+ | *To help the child learn and remember the subtraction tables up to 18. | ||
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+ | <br> | ||
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+ | === Variation === | ||
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+ | <br> | ||
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+ | === Handouts/Attachment === | ||
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+ | <br> | ||
[[Category:Mathematics]] | [[Category:Mathematics]] |
Revision as of 04:29, 5 December 2008
Contents
Age
3-6
Materials
- Subtraction Chart A, a chart giving positive results only for numbers 1 to 18, taking away numbers 1 to 9.
- Slips on which are written all the subtraction combinations of 1 to 18.
Preparation
Presentation
- Directress shows the child how to use the Chart A. She takes out a slip, e.g. 9-3. First, find 9 on the top of the chart, and then find -3 on the right hand side. Place two fingers on the two numbers and move the fingers, sliding down and along until they meet 6. Record the answer.
- The child continues in this manner for all the slips.
Control Of Error
The structure of the chart provides the child with the correct answer.
Points Of Interest
Purpose
- To help the child learn and remember the subtraction tables up to 18.
Variation
Handouts/Attachment