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PSLE Qn2 2011
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PSLE Qn2 2011

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Transcript

  • 1. Total Value= Number x Value
    PSLE 2011/P1
    Jane bought twice as many 50-cent stamps as 80-
    cent stamps. How many 80-cent stamps can Jane
    buy if she spent a total of $30.60?
  • 2. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60?
    Total Value= Number x Value
    STEP 1
  • 3. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60?
    Total Value= Number x Value
    STEP 1
  • 4. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60?
    Total Value= Number x Value
    STEP 2
    3060
  • 5. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60?
    Total Value= Number x Value
    3060
    STEP 3
    100u + 80u  3060
  • 6. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60?
    Total Value= Number x Value
    3060
    STEP 3
    100u + 80u  3060
    180u  3060
  • 7. Jane bought twice as many 50-cent stamps as 80-cent stamps. How many 80-cent stamps can Jane buy if she spent a total of $30.60?
    Total Value= Number x Value
    3060
    STEP 3
    100u + 80u  3060
    180u  3060
    1u  3060 ÷ 180 = 17
    Ans: 17 (80-cent stamps)

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