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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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Topic Content:

  • Sharing Quantities in Given Ratios

To share quantities in a given ratio:

1. Add the ratios together. 
2. Find the fraction of the given ratio that is the total ratio.
3. Use these to multiply the quantity respectively.

Worked Example 10.3.1:

Divide ₦120 between Bola and Ade in the ratio 2 : 3

Solution

The given ratio = 2 : 3 

Total ratio = 2 + 3 = 5

Bola gets \( \frac{2}{5}\scriptsize \: of \: N120 \\ \scriptsize = 2 \: \times \: 24 = N48 \)

Ade gets \( \frac{3}{5}\)of the total amount.

 

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