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Fractions, SM-Bank 056

Sally makes bird feeders to hang in her garden.

The table below shows the fraction of the bird feeder eaten each day by the birds. 

\begin{array} {|l|c|c|}
\hline \textbf{Day} & \textbf{Fraction Eaten} \\
\hline \text{Monday}  &  3/10\\
\hline \text{Tuesday} & 1/5  \\
\hline \text{Wednesday} &  1/4  \\
\hline \text{Thursday} & ?   \\
\hline \end{array}

  1. If the whole feeder was consumed in four days, what fraction did the birds eat on Thursday?  (2 marks)

    --- 3 WORK AREA LINES (style=lined) ---

  2. The bird feeder weighs 5 kilograms. How many kilograms were consumed on Monday?  (2 marks)

    --- 3 WORK AREA LINES (style=lined) ---

Show Answers Only

a.    `1/4`

b.    `1 1/2\ text(kilograms)`

Show Worked Solution
a.    `text(Eaten Thursday)` `= 1-(3/10+1/5+1/4)`
  `= 1-(6/20+4/20+5/20)`
  `= 1-15/20`
  `=5/20=1/4`

 

b.    `text(Monday Kilograms)` `= 3/10 xx 5`
  `= 15/10`
  `= 1 1/2\ text(kilograms)`

Filed Under: Fractions Tagged With: num-title-ct-core, smc-4460-30-Add/Subtract fractions, smc-4460-35-Multiply/Divide Fractions, smc-4460-40-Word problems fractions

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