Stage 8 - Q1 - 2 marks
Each item costs 1.81 dollars. Find the cost of 6.
Hint
Write the rate-times-quantity calculation before handling payment or rounding.
Stage 8 - Q2 - 2 marks
Each item costs 1.92 dollars. Find the cost of 8.
Hint
Write the rate-times-quantity calculation before handling payment or rounding.
Stage 8 - Q3 - 3 marks
A product costs 2.03 dollars per kg. Find the exact cost of 0.5 kg.
Hint
Write the rate-times-quantity calculation before handling payment or rounding.
Stage 8 - Q4 - 3 marks
A product costs 2.14 dollars per kg. Find the exact cost of 0.7 kg.
Hint
Write the rate-times-quantity calculation before handling payment or rounding.
Stage 8 - Q5 - 4 marks
A product costs 2.25 dollars per kg. Buy 1.7 kg and pay 9 dollars. Round the price once to the nearest cent. Find the change.
Hint
Write the rate-times-quantity calculation before handling payment or rounding.
Stage 8 - Q6 - 4 marks
A product costs 2.36 dollars per kg. Buy 1.9 kg and pay 10 dollars. Round the price once to the nearest cent. Find the change.
Hint
Write the rate-times-quantity calculation before handling payment or rounding.
Stage 8 - Q7 - 5 marks
A shopper buys 1.6 kg of apples at 2.35 dollars per kg and 0.75 kg of pears at 3.20 dollars per kg. Find the total cost and change from 10 dollars.
Hint
Keep the two prices per kilogram matched to their own masses.
Stage 8 - Q8 - 5 marks
Offer A is three 0.45 kg packs for 5.40 dollars. Offer B is one 1.2 kg pack for 4.68 dollars. Which has the lower cost per kilogram?
Hint
Compare equal quantities using unit prices.
Stage 8 - Q9 - 5 marks
A square display is 1.8 m wide. A 0.15 m border is added outside every edge. Find the percentage of the new area occupied by the border, to one decimal place.
Hint
The requested fraction uses the new total area as denominator.
Stage 8 - Q10 - 5 marks
A floor is 2.4 m by 3.6 m. Rectangular tiles are 0.3 m by 0.2 m and fit without cuts. Tiles come in packs of 10 costing 7.45 dollars per pack. Find the minimum cost and the number of spare tiles.
Hint
Find the required tile count, then round the pack count upwards.