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JSS2: MATHEMATICS - 1ST TERM

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  1. Properties of Whole Numbers I | Week 1
    4 Topics
    |
    1 Quiz
  2. Properties of Whole Numbers II | Week 2
    4 Topics
    |
    1 Quiz
  3. Properties of Whole Numbers III | Week 3
    5 Topics
    |
    1 Quiz
  4. Indices | Week 4
    2 Topics
    |
    1 Quiz
  5. Laws of Indices | Week 5
    5 Topics
    |
    1 Quiz
  6. Whole Numbers & Decimal Numbers | Week 6
    4 Topics
    |
    1 Quiz
  7. Standard Form | Week 7
    3 Topics
    |
    1 Quiz
  8. Significant Figures (S.F) | Week 8
    4 Topics
    |
    1 Quiz
  9. Fractions, Ratios, Proportions & Percentages I | Week 9
    6 Topics
    |
    1 Quiz
  10. Fractions, Ratios, Proportions & Percentages II | Week 10
    4 Topics
    |
    1 Quiz
  11. Fractions, Ratios, Proportions & Percentages III | Week 11
    3 Topics
    |
    1 Quiz
  12. Approximation & Estimation | Week 12
    1 Topic
    |
    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:
112 = 1 x 1
= 1
222  = 2 x 2 
= 4
332  =  3 x 3
= 9
442  = 4 x 4
= 16
552   = 5 x 5 
= 25
662  =  6 x 6 
= 36
77 = 7 x 7
= 49
882  =  8 x 8
= 64
992 =  9 x 9 
= 81
1010 =  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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