Q1
MCQ
1 mark
3 + 1/10 + 5/100 = ____
P5 Mathematics CA2 2021 — Rosyth
Source: Rosyth, 2021
This P5 Mathematics CA2 paper from Rosyth (2021) covers measurement, percentage, money, area and perimeter, geometry and angles and patterns and algebra across 19 questions worth 36 marks. Practise Mathematics the way it's tested at P5 level in Singapore, with step-by-step answers on LearnBuddy.
Q2
MCQ
1 mark
Which of the following is the same as 6080 g?
Q3
MCQ
1 mark
400 clips cost $40. What is the cost of one clip?
Q4
MCQ
1 mark
🖼 Visual
Rayson bought a bottle of soda from a stall. Which of the following is likely to be the capacity of the bottle of soda?
Q5
MCQ
1 mark
In a pencil case, there are 25 markers. 11 of them are red, 5 of them are green and the rest are yellow. What percentage of the markers in the pencil case are yellow?
Q6
Open-ended
1 mark
Find the sum of 10.53 and 49.6.
Q7
Open-ended
1 mark
🖼 Visual
How much water (in ml) is in the container?
Q8
Open-ended
1 mark
Joe had 250 stickers. He gave 30% of his stickers away. How many stickers had he left?
Q9
Open-ended
2 marks
The length of a piece of string is 3.15 m long. There were 8 such pieces of strings. What is the total length of the strings? Give your answer in centimetres.
Q10
Open-ended
2 marks
🖼 Visual
The figure shows a rectangular glass box partly filled with 1-cm cubes. How many more 1-cm cubes are needed to fill the box completely?
Q11
Open-ended
2 marks
🖼 Visual
Look at the diagram below. Triangle ABE has an area of 14 cm². Find the area of the figure ABCED.
Q12
Open-ended
2 marks
🖼 Visual
How much more water (in l) is needed to fill the tank to its brim?
Q13
Open-ended
2 marks
Mdm Rosie had 6 kg of flour. She used 5.55 kg of flour and packed the remainder equally into 9 bags. What was the mass of each bag in kilograms?
Q14
Open-ended
2 marks
🖼 Visual
What percentage of the figure below is shaded?
Q15
Open-ended
2 marks
🖼 Visual
A repeated pattern is formed using numbers 0 and 2. The first 18 numbers are shown below. What is the sum of the first 45 numbers? Pattern: 2 0 0 2 2 0 0 2 2 0 0 2 2 0 0 2 2 0 ... (1st, 2nd, ..., 18th)
Q16
Open-ended
3 marks
Adil has some cards. If he gives each of his friends 5 cards, there is no remainder. If he gives each of them 3 cards instead, he will have 36 cards left. How many cards does Adil have?
Q17
Open-ended
3 marks
🖼 Visual
In the figure below, ABCD is a square with an area of 100 cm². ADE and CDF are triangles. Given that DE = 8 cm, find the area of the shaded region.
Q18
Structured
4 marks
In a shop, candles are sold only in boxes. A box of 5 short candles costs $3 and a box of 7 long candles costs $9. Sonia bought an equal number of short and long candles. She paid $168 more for the long candles than the short candles. (a) How many short candles did Sonia buy? (b) How much did Sonia pay in total?
Q19
Structured
4 marks
Beverly wanted to paint 34 identical small boxes and 12 identical large boxes. The amount of paint she used to paint 2 large boxes was the same as that for 5 small boxes. She painted 11 small boxes and 12 large boxes with 82 l of paint. a) How much paint was needed to paint 1 small box? b) How many litres of paint did she need to paint all the boxes?