Foundation June 2021 Paper 1 Q10

EdexcelCurrent spec3 marksFractions Ratio & Basic Proportion

(a) Write these fractions in order of size.
Start with the smallest fraction.
\(\dfrac{3}{8} \qquad \dfrac{1}{4} \qquad \dfrac{7}{20} \qquad \dfrac{5}{16}\) (2)

There are only green beads and red beads in a bag.

The ratio of the number of green beads to the number of red beads is 5 : 9

(b) What fraction of the beads in the bag are green beads? (1)

Mark scheme (a)

Scheme	Marks
For information \(\dfrac{3}{8} = \dfrac{30}{80}\) = 0.375 or 0.38 or 37[.5%] or 38[%] \(\dfrac{1}{4} = \dfrac{20}{80}\) = 0.25 or 25[%] \(\dfrac{7}{20} = \dfrac{28}{80}\) = 0.35 or 35[%] \(\dfrac{5}{16} = \dfrac{25}{80}\) = 0.31[25] or 31[.25%] Answer: \(\dfrac{1}{4}, \dfrac{5}{16}, \dfrac{7}{20}, \dfrac{3}{8}\)	B2
	(2)

Notes

B2: can be given as fraction, decimal or percentage equivalents
B1 for 3 fractions oe in the correct order or for 4 fractions oe in the correct reverse order or for 2 fractions correctly converted to decimals or percentages or 2 fractions written with a common denominator that is a multiple of 80

Scheme	Marks
\(\dfrac{5}{14}\)	B1
	(1)
	(3 marks)