JSS1 3RD TERM MATHEMATICS LESSON PLAN

WEEK:   2                                         DATE:                                    CLASS: JSS 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;

1. Use balance scale or sea-saw to illustrate the equality principle.
2. Solve real life problems on simple equations.
3. 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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