Q1
MCQ
2 marks
Find the product of 251 and 80.
P5 Mathematics CA1 2021 — Catholic High
Source: Catholic High, 2021
This P5 Mathematics CA1 paper from Catholic High (2021) contains 13 questions worth 30 marks. Use it as a study reference for Mathematics topics typically tested at P5 level in Singapore schools.
Q2
MCQ
2 marks
3 pies were shared equally among 5 children. How many pies did 2 children receive?
Q3
MCQ
2 marks
Ahmad and Ravi had the same number of marbles at first. After Ahmad gave away 35 of his marbles and Ravi lost 5 of his marbles, Ravi had thrice as many marbles as Ahmad. How many marbles did Ahmad have in the end?
Q4
MCQ
2 marks
A baker bought 4 kg of flour. He used 2/5 kg on Monday and 1/2 kg on Tuesday. How many kilograms of flour did he have left?
Q5
Open-ended
2 marks
Express 7/9 as a decimal. Correct your answer to 2 decimal places.
Q6
Open-ended
2 marks
Mr Lim bought 300 boxes of sweets. Each box contained 12 sweets. He repacked all the sweets into packets of 10. How many packets of sweets were there altogether?
Q7
Open-ended
2 marks
There were 156 people in Hall A and 84 people in Hall B. After 29 people left Hall A and some people entered Hall B, there was an equal number of people in both halls. How many people entered Hall B?
Q8
Open-ended
2 marks
The length of a rug is 3/4 m and the breadth is 1/6 m. What is the area of the rug? Express your answer in the simplest form.
Q9
Open-ended
2 marks
The mass of a tin filled with some candies is 200 g. Another identical tin filled with some biscuits weighs 860 g. The biscuits weigh 7 times as heavy as the candies. What is the mass of the candies?
Q10
Structured
2 marks
🖼 Visual
There were 4 times as many red apples as green apples in a basket. Each of the statements below is either true, false or not possible to tell from the information given. For each statement, put a tick (✓) to indicate your answer. (a) 1/4 of the apples were green. (b) After 1/2 of the red apples were given away, there were twice as many red apples as green apples.
Q11
Open-ended
3 marks
4 chairs and 2 tables cost $314. The chair cost $52 less than the table. How much does a chair cost?
Q12
Open-ended
3 marks
Melvin wanted to exchange some tokens for a reward. He had only 1/3 of the total number of tokens needed. After he received another 60 tokens, he still needed 5/12 of the total number of tokens. How many tokens did he need to redeem the reward?
Q13
Structured
4 marks
A pen cost $1. A notebook cost $2 more than a pen. Mei Ling paid $98 for some notebooks and pens. She bought twice as many notebooks as pens. a) How many pens did she buy? b) How much more money did she spend on the notebooks than pens?