Difference between revisions of "Subtraction Chart A"
From wikisori
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=== Age === | === Age === | ||
| − | 3-6 <br> | + | |
| + | 3-6 <br> | ||
=== Materials === | === Materials === | ||
| − | #Subtraction Chart A, a chart giving positive results only for numbers 1 to 18, taking away numbers 1 to 9. | + | #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. | #Slips on which are written all the subtraction combinations of 1 to 18. | ||
| − | <br> | + | <br> |
=== Preparation === | === Preparation === | ||
| − | <br> | + | <br> |
=== Presentation === | === 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. | + | #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. | #The child continues in this manner for all the slips. | ||
| − | <br> | + | <br> |
=== Control Of Error === | === Control Of Error === | ||
| − | The structure of the chart provides the child with the correct answer. <br> | + | The structure of the chart provides the child with the correct answer. <br> |
=== Points Of Interest === | === Points Of Interest === | ||
| − | <br> | + | <br> |
=== Purpose === | === Purpose === | ||
| Line 32: | Line 36: | ||
*To help the child learn and remember the subtraction tables up to 18. | *To help the child learn and remember the subtraction tables up to 18. | ||
| − | <br> | + | <br> |
=== Variation === | === Variation === | ||
| − | <br> | + | <br> |
=== Handouts/Attachment === | === Handouts/Attachment === | ||
| − | <br> | + | <br> |
| − | [[Category:Mathematics]][[Category:Mathematics_3-6]] | + | [[Category:Mathematics]] [[Category:Mathematics_3-6]] |
Latest revision as of 04:50, 15 October 2009
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
