Introduction to Algebra
| Philosophy of Mathematics |
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Concept Map
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Textbook
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Additional Information
Useful websites
Reference Books
NCERT Book referenced
http://ncert.nic.in/NCERTS/textbook/textbook.htm?femh1=11-14
Teaching Outlines
Concept - algebra lessons
Learning objectives
Generalization; and stating in algebraic terms
Algebraic variables can be “x” or “y” or “a” of “b”
Notes for teachers
Activity and lesson 1
The students must complete the table like the following:
No of squares| No of match sticks | Write match sticks (as a number expression) | Write algebraically (we completed this)
Lesson 2
Practice with generalization Commutative and distributive properties
(Part1 - Practice with generalization)
- Work with Ex 11.1. Different children can be given different problems. The important thing is they know variables can be in different letters.
- They should also know that different phenomena can be generalized. Mangoes, students, pencils.
- Ask children to talk about (I) did they add (ii) did they multiply?
- For example, when they made “Z” they added three match sticks. When they made 10 “Z” they added 3 +3+3+..... 10 times This is also multiplying by 10. And we simply wrote this as if “n” sticks are needed for a “Z”, then 10n sticks are needed for 10 “Z”. Multiplication is repeated addition.
- Work with the patterns and let children see generalization is not only addition but subtraction and multiplication.
- Check the following document for Shapes patterns students to understand patterns more.
(Part 2 - Commutative and distributive properties)
- Give students simple addition (with carry forward).
- In a group students add in different order and verify
- They should multiply in different order and verify
- Also do the distributive property like this
Go back to the number of squares and triangles and activities and introduce Expressions.
Give Ex-11.2 different problems as homework/ classwork practice problems.
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Activity No #
- Estimated Time
- Materials/ Resources needed
- Prerequisites/Instructions, if any
- Multimedia resources
- Website interactives/ links/ Geogebra Applets
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- Question Corner
Concept #
Learning objectives
Notes for teachers
These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.
Activity No #
- Estimated Time
- Materials/ Resources needed
- Prerequisites/Instructions, if any
- Multimedia resources
- Website interactives/ links/ Geogebra Applets
- Process (How to do the activity)
- Developmental Questions (What discussion questions)
- Evaluation (Questions for assessment of the child)
- Question Corner
Activity No #
- Estimated Time
- Materials/ Resources needed
- Prerequisites/Instructions, if any
- Multimedia resources
- Website interactives/ links/ Geogebra Applets
- Process (How to do the activity)
- Developmental Questions (What discussion questions)
- Evaluation (Questions for assessment of the child)
- Question Corner
Hints for difficult problems
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