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JSS2: MATHEMATICS - 1ST TERM

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  1. Properties of Whole Numbers I | Week 1
    4Topics
    |
    2 Quizzes
  2. Properties of Whole Numbers II | Week 2
    4Topics
    |
    2 Quizzes
  3. Properties of Whole Numbers III | Week 3
    4Topics
    |
    1 Quiz
  4. Indices | Week 4
    2Topics
    |
    1 Quiz
  5. Laws of Indices | Week 5
    5Topics
    |
    1 Quiz
  6. Whole Numbers & Decimal Numbers | Week 6
    4Topics
    |
    1 Quiz
  7. Standard Form | Week 7
    3Topics
    |
    1 Quiz
  8. Significant Figures (S.F) | Week 8
    4Topics
    |
    1 Quiz
  9. Fractions, Ratios, Proportions & Percentages I | Week 9
    6Topics
    |
    1 Quiz
  10. Fractions, Ratios, Proportions & Percentages II | Week 10
    4Topics
    |
    1 Quiz
  11. Fractions, Ratios, Proportions & Percentages III | Week 11
    3Topics
    |
    1 Quiz
  12. Approximation & Estimation | Week 12
    1Topic
    |
    1 Quiz
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Square of numbers

The square of any number is the product of the number and itself

e.g. The square of 4 is the product of 4 and 4 i.e 4 x 4 = 16.

Therefore the square of 4 is 16.

The squares of numbers are given below:

Number square

12 = 1 x 1 = 1

22  = 2 x 2  = 4

32  =  3 x 3 = 9

42  = 4 x 4 = 16

52   = 5 x 5  = 25

62  =  6 x 6  = 36

7 = 7 x 7 = 49

82  =  8 x 8 = 64

92 =  9 x 9  = 81

10 =  10 x 10 = 100

Perfect squares are gotten by multiplying a whole number by itself. e.g. 1, 4, 9, 16, 25, 36, 49, 64, 81 and 100 are perfect squares.

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