Use of symbols.

Mathematics for Jss1 2nd Term.

Theme: Algebraic Process

Week 8.

Use of symbols.

Performance Objectives:

Students should be able to

  1. Solve open sentences problems involving two arithmetic operations.
  2. Solve word problems involving the use of symbols.
  3. Solve quantitative problems on the use of symbols.

Content.

Example 1: in a flying race the second leg is twice as long as the first leg. If the total distance for both legs is 297km, how long is the first leg of the race?

Let first leg be represented by x

Second leg will be2x.

X+2x=297km

3x=297km

X=297/3

X=99km

Example 2:Ngozi got 17 fewer marks in her English language exam than in her mathematics exam. Her total score in the two subjects is 161..... View More

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