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) contains 19 questions worth 36 marks. Use it as a study reference for Mathematics topics typically tested at P5 level in Singapore schools.
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?