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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



Lesson Progress
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Topic Content:

  • Expressing One Quantity as a Percentage of Another
  • End of Lesson Evaluation Questions & Answers

To express one quantity as a percentage of another, write the first quantity as a fraction of the second and then multiply by 100.

Worked Example 9.6.1:

a. What percentage of 550g  is 11g?

b. What percentage of 800 is 300?

c. What percentage of ₦2 is 50 kobo?

d. What percentage of 3kg  is 300g

 

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Responses

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Evaluation Questions (1)

Answers:

a. 0.6

b. 0.75

c. 5.75

d. 0.5

e. 0.375

Evaluation Questions (2)

Answers:

a. 0.6666

b. 0.571 428

c. 0.714 285

d. 5.333

e. 0.8333

f. 0.1111111

g. 2.6666

h. 0.1818

Evaluation Questions (3)

Answers:

a. 40%

b. 15%

c. 2.5%

d. 37.5%

e. 46.8%

f. 4.25%

g. 3825%

h. 0.01%

Evaluation Questions (4)

Answers:

a. \( \frac{1}{4} \)

b. \( \frac{3}{2} = \scriptsize 1 \frac{1}{2} \)

c. \( \frac{8}{25} \)

d. \( \frac{1}{2} \)

e. \( \frac{21}{50} \)

f. \( \frac{16}{25} \)

g. \( \frac{121}{500} \)

h. 0.01%

Evaluation Questions (5)

Answers:

a. 0.804

b. 0.3605

c. 0.5

d. 0.25

e. 0.155

f. 0.2

Evaluation Questions (6)

Answers:

a. 48

b. 25

c. 10

d. 150kg

e. ₦50

f. 30 girls

g. 20

h. 45g

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