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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

Quizzes

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Topic Content:

  • Meaning of Approximation
  • Using Approximation to Estimate Answers
  • Worked Examples
  • End of Lesson Evaluation Questions

What are Approximations?

Approximations are not exact, but close enough value to the original value that can be used in a calculation. 

For example;

1. If the bus ride takes 57 minutes, one can say it is " a one-hour bus ride”
2. If a cord measures 3.14 cm, one 

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Evaluation Questions (1 & 2)

Answers:

1. ₦2. million,  ₦1.9 million

 

2.
a. 90
b. 219
c. 0.74
d. 2380
e. 0.098

Evaluation Questions (3 & 4)

Answers:

3
a. 100
b. 60
c. 540
d. 4000
e. 9

4. 100  000

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