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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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The following large numbers can be recognized easily

One thousand   =   1000   = 103

Ten thousand   = 10 000   = 104

Hundred thousand   =  100 000   =  105

One million   =  1000 000   =  106

Ten million   =   10  000   000   =  107

Hundred  million   =   100  000  000   = 108

One billion   =  1000   000   000   =   109

One trillion   =  1 000  000  000  000   =  1012

To write other large numbers, group the digits in three starting from the right e.g 47868925 could be difficult to read. Grouping its digits in three make it easier to read it.

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Example 1

Write the following in figures

a. Three million, five hundred thousand and seventy one.

b. Four billion, three hundred and fifty  eighty thousand and two

a.

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b.

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Example 2

Group the following numbers in three and then write them in words.

a. 4450567

b. 552346

c. 235627889

Solution

a. 4450567

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=   Four million, four hundred and fifty thousand, five hundred and sixty-seven 

b. 552346

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= Five hundred and fifty-two thousand three hundred and forty-six.

c. 235627889

Screen Shot 2020 11 23 at 7.07.53 AM

= Two hundred and thirty-five million, six hundred and twenty-seven thousand, eight hundred, and eighty-nine.

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