MATHEMATICS JSS 3 THIRD TERM

last update on: 07/30/2025

IN THIS TERM, LEARNERS SHOULD LOOK OUT FOR THE FOLLOWING IN DETAIL:

Week 1: Statistics 

  • Calculating mean of a given data from raw scores.
  • Obtaining median
  • Finding mode
  • Finding the range of any given data.
  • Calculating mean and median from frequency table.

Week 2: Statistics (Data Presentation)

  • Frequency table
  • Pictograms
  • Ordering or ranking data.
  • Representing and interpreting data on a bar chart.
  • Representing and interpreting data on a pie chart. 

Week 3: Variation

Revision on

  • Direct variation
  • Inverse variation
  • Joint variation
  • Partial variation 

Week 4: Approximation

Revision of approximation of numbers to;

  • Decimal place
  • Significant figures
  • Required degree of accuracy 

Week 5: Fraction (Revision)

  • Addition and subtraction of fractions.
  • Multiplication and division of fractions.
  • Use of order of operations in simplifying expressions with fractions.
  • Simplifying algebraic fractions with monomial denominators. 

Week 6: Right angled triangle

  • Use of Pythagoras rule in finding missing sides of triangles.
  • Pythagoras triples
  • Finding trigonometric ratios of sine, cosine and tangent using sides of a right angled triangle.