# Pythagoras Rule

Last Updated on July 15, 2020 by Alabi M. S.

## MATHEMATICS

SECOND TERM

WEEK 3

PRIMARY 6

THEME:

TOPIC: Length

LEARNING AREA

Division of two or three digit numbers by:

1. Lesson One – Right angle triangles
2. Lesson Two – Pythagoras’ rule
3. Lesson Three – Application of Pythagoras’ rule
4. Lesson Four – Quantitative reasoning

TIME – 40 Minutes each.

LEARNING OUTCOME

By the end of the lesson, pupils should be able to:

1. recognise and identify each part of right angle triangle.
2. Pythagoras rule
3. use Pythagoras rule to find the unknown length of a right – angled triangle.
4. solve many quantitative aptitude problems involving Pythagoras rule.

RATIONALE

LEARNING MATERIALS

1. Chart of 2 dimensional shapes – triangle, square, rectangle, etc.
2. Chart of different triangles
3. Chart on Pythagoras theorem – a^2 + b^2 = c^2, b^2 = c^2 – a^2, a^2 = c^2 – a^2.

PREVIOUS KNOWLEDGE

1. Square
2. Square root
3. Right – angle triangle
4. Measurement

REFERENCE MATERIALS

1. 9 – Years Basic Education Curriculum
2. Lagos State Scheme of work
3. New Method Mathematics Book
4. All Relevant Materials
5. Online Materials

LESSON PLAN/DEVELOPMENT

1. LESSON DEVELOPMENT 1 – Right angle triangles document
2. LESSON DEVELOPMENT 2 – Pythagoras’ rule document
3. LESSON DEVELOPMENT 3 – Application of Pythagoras rule document
4. LESSON DEVELOPMENT 4 – Test

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