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P5 Maths Practice Worksheet
Time: 50 minTotal: 32 marks
Name: Class: Date:
Calculator NOT allowed. Show your working. Give answers in the units stated.
Section A - Multiple Choice
A1.In an isosceles triangle, the two base angles are each 55°. What is the size of the third (apex) angle?[1]
A2.Which fraction is equal to 2 1/4?[1]
A3.A cyclery packs 7 identical bicycles into boxes, using 63 kg of packing material in total, spread evenly. What is the rate of packing material per bicycle?[1]
A4.What is 8.125 × 1000?[1]
A5.A cuboid has a volume of 336 cm³. Its breadth is 8 cm and its height is 6 cm. What is its length?[1]
A6.A backpack costs $48. It is sold at a 25% discount. What is the discount amount?[1]
A7.The numbers in a sequence increase by a fixed amount each time: 15, 23, 31, 39, ... What is the 8th number in the sequence?[2]
A8.A laptop is marked at $900. It is on sale with a 10% discount, and GST of 9% is then added to the discounted price. What is the final price a customer pays?[2]
Section B - Short Answer
B1.Work out 18 + 6 × 5 − 12 ÷ 4, following the correct order of operations.[1]
B2.The table shows the price of notebooks at a shop. Mrs Lee wants to buy exactly 10 notebooks. What is the cheapest total cost for her to pay?[2]
| Number of notebooks | Price |
|---|---|
| 1 | $2 |
| 5 | $9 |
| 10 | $16 |
Notebook prices
B3.In the diagram, angle x and 65° are angles on a straight line. Find the value of angle x.[2]
B4.Mrs Tan had 3/4 kg of flour. She used 2/3 of it to bake a cake. What mass of flour did she use?[2]
B5.A cuboid tank measures 20 cm by 15 cm by 30 cm (see figure). It is filled with water to a height of 18 cm. How many more litres of water are needed to fill the tank completely? (1 litre = 1000 cm³)[2]
B6.In a school, 60% of the 200 pupils in Primary 5 are boys. 40 new girls joined Primary 5. What percentage of the Primary 5 pupils are now boys?[2]
Section C - Structured
C1.Rectangle ABCD has AB = 20 cm and BC = 12 cm, as shown. E is a point on side DC, and triangle ABE is shaded.[3]
(a)What is the area of rectangle ABCD?[1]
(b)Triangle ABE has the same base (AB) as the rectangle, and its opposite vertex E lies on side DC, which is the same distance from AB as the rectangle's height. Find the area of the shaded triangle ABE.[2]
C2.A jacket has a usual price of $80. In a sale, it is sold at a discount of 25% off the usual price.[4]
(a)How much money is taken off the usual price (the discount)?[1]
(b)Mr Tan buys the jacket at the sale price and also buys a $15 scarf. He pays with a $100 note. How much change should he receive?[3]
C3.A rectangular container measuring 25 cm by 20 cm by 24 cm is completely filled with water.[4]
(a)Find the volume of water in the container, in cm³.[1]
(b)All the water is poured into an empty cube-shaped container of side 20 cm (see figure). How much water, in cm³, overflows because the cube container is too small?[3]
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