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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
Lesson Progress
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tens e1606130953630

Example 1

Round off  745 809 259 to the nearest 

i. tens

ii. hundred

iii. thousand

iv. tillion

Solution

i. 745 809 259 to to the nearest ten

Screen Shot 2020 11 23 at 12.19.42 PM

= 745  809  260  to the nearest tens

ii. 745 809 259 to the nearest hundred

Screen Shot 2020 11 23 at 12.38.00 PM

= 745 809 300 to the nearest hundred

iii. 745 809 259 to the nearest thousand

Screen Shot 2020 11 23 at 12.22.15 PM

= 745 809 000 to the nearest thousand

iv. 745 809 259 to to the nearest million

Screen Shot 2020 11 23 at 12.32.17 PM

= 746 000 000 to the nearest million

Evaluation

Round off the following to the nearest  

i. tens

ii. hundred

iii. thousand

iv. million

1. 79 036 259

2. 8 328 259

3. 5 999 925

Answers

1

i. 79 036 260

ii. 79 036 300

iii. 79 036 000

iv. 79 000 000

2

i. 8 328 260

ii. 8 328 300

iii. 8 328 000

iv. 8 000 000

3

i. 5999 930

ii. 5 999 900

iii. 6 000 000

iv. 6 000 000

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