__JSS1 3RD TERM MATHEMATICS LESSON PLAN__

**WEEK: ** 2 **DATE: ** **CLASS: J**SS 1

**SUBJECT: MATHEMATICS**

**LESSON TITLE: Simple Equation**

**SUBTITLE (IF ANY): **

**Use of balance scale or sea-saw to demonstrate principle of equality****Solution of simple equation****Translation of real world problems into simple equations and vice versa****Quantitative reasoning**

**PERIOD**: 1 & 2 **DURATION: **80 Minutes

**LEARNING OBJECTIVES: At the end of the lesson, the students should be able to;**

**Use balance scale or sea-saw to illustrate the equality principle.****Solve real life problems on simple equations.****Translate word problems into simple equations.**

**KEY VOCABULARY WORDS: equation, balance scale, etc.**

**RESOURCES & MATERIALS: New General Mathematics for Junior Secondary Schools 1; First term question paper, chart showing simple equations.**

**BUILDING BACKROUND/CONNECTION TO PRIOR KNOWLEDGE: **The Students are familiar with equation.

**CONTENT:**

**SIMPLE EQUATION:**

This expression 3 x p= 18 is an algebraic sentence. It means three times an unknown numbers is equal to eighteen.

To translate the following equations into words;

5x + 7 = 37. It means if 7 is added to five times a number, the result is 37

11 = 3x – 1. It means 11 is equal to 3 times a certain number minus one.

If a number is added to 8 to give a result of 31;

To write this word sentence in the form of a mathematical sentence, we represent the unknown number by a letter and translate. Hence, we have mathematical sentence:

8 + x = 31

**USE OF BALANCE SCALE OR SEA-SAW TO DEMONSTRATE PRINCIPLE OF EQUALITY:**

This will enable Algebraic thinking

The purpose of showing equality using a balance scale is that whenever two quantities are equal, the two sides of the scale must balance, just as the two sides of any equation must be the same.

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