Use of symbols.

Mathematics for jss1 2nd Term.

Theme: Algebraic Process.

Week 7

Use of symbols.

Performance Objectives:

Students should be able to

  1. Solve problems expressed in open sentences.
  2. Identify the relationship between addition and subtraction.
  3. Identify the relationship between multiplication and Division.
  4. Use letters to represent symbols or shapes in open sentences.

Content.

Example 1: 12+  -----      =18

                        =18-12

                        =6.

Example 2: 20-7=

                        13=

 

PERIOD 2.

Example 1: x=3+6

X=9

Example 2: 12=e+5

12-5=e

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