Mathematics for Jss 1 2nd Term.

Theme: Basic Operations.

Week 3 and 4.


Performance Objectives.

Students should be able to

  1. Approximate answers to addition and subtraction of problems to a given accuracy.
  2. 2. Approximate answers to multiplication and division problems to a given degree of accuracy.

    3 .Round numbers to the nearest 10,100,1000.

    4. Apply approximation to basic operations in day to day activities.

    5. Solve quantitative questions on approximation.


Approximation is a way of using rounded numbers to estimate answers to calculation.

Example 1: Work out 47+21 to the nearest 10.





Rule for Approximation.

Numbers from 0-4 are rounded down.... View More

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