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JSS1: MATHEMATICS - 1ST TERM

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  1. Whole Numbers I | Week 1
    3 Topics
    |
    1 Quiz
  2. Whole Numbers II | Week 2
    1 Topic
    |
    1 Quiz
  3. Counting in Base Two | Week 3
    4 Topics
    |
    1 Quiz
  4. Arithmetic Operations | Week 4
    3 Topics
    |
    1 Quiz
  5. Lowest Common Multiple (LCM) | Week 5
    2 Topics
    |
    1 Quiz
  6. Highest Common Factor | Week 6
    1 Topic
    |
    1 Quiz
  7. Fraction | Week 7
    7 Topics
    |
    1 Quiz
  8. Basic Operations with Fractions I | Week 8
    3 Topics
    |
    1 Quiz
  9. Basic Operations with Fractions II | Week 9
    1 Topic
    |
    1 Quiz
  10. Directed Numbers | Week 10
    3 Topics
    |
    1 Quiz
  11. Estimation and Approximation I | Week 11
    3 Topics
    |
    1 Quiz
  12. Estimation and Approximation II | Week 12
    6 Topics
    |
    1 Quiz



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Topic Content:

  • Solving Problems Involving Mixed Operations with Fractions

Worked Example 8.3.1

Simplify the following fractions:

i. \( \frac{3\frac{1}{3} \: \div \: 2 \frac{1}{2}}{4\frac{2}{7}} \)

ii. \(\scriptsize 2 \normalsize \frac{4 }{5}\scriptsize \: \times \: 5 \normalsize \frac{6}{8} \scriptsize \: \div \: \scriptsize 5 \normalsize \frac{1}{9} \)

iii. \(\frac {1}{4} \scriptsize \; of \; \left ( \scriptsize2 \normalsize \frac{3 }{4 } \; \div\; \frac{2}{8} \right) + \scriptsize 1 \normalsize \frac{2 }{3 }\)

i. \( \frac{3\frac{1}{3} \: \div \: 2 \frac{1}{2}}{4\frac{2}{7}} \)

Solution

= \( \large \frac{\frac{10}{3} \: \div \: \frac{5}{2}}{ \frac{30}{7}} \)

= \( \large \frac{\frac{10}{3} \: \times \: \frac{2}{5}}{ \frac{30}{7}} \)

= \( \large \frac{\frac{20}{15}}{ \frac{30}{7}} \)

 

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