P3 Mathematics CA1 2023 — Nan Hua

Q: What fraction of the following figure is unshaded?

C. 2/3. The circle is divided into 12 equal sectors. 4 sectors are shaded and 8 are unshaded. Unshaded fraction = 8/12 = 2/3.

Q: 6 fives is the same as____________.

D. 5 + 5 + 5 + 5 + 5 + 5. '6 fives' means 6 groups of 5, i.e., 5 added together 6 times: 5 + 5 + 5 + 5 + 5 + 5 = 30.

Q: Which of the following is six thousand and forty-five in numerals?

D. 6045. Six thousand and forty-five = 6000 + 40 + 5 = 6045 (6 thousands, 0 hundreds, 4 tens, 5 ones).

Q: How many right angles are there in the figure below?

B. 2. The pentagon-shaped arrow figure (rectangle with a triangular point on the right) has 2 right angles, both at the left corners of the rectangle portion.

Q: What is the value of the digit 7 in 8271?

B. 70. In 8271, the digit 7 occupies the tens place, so its place value is 7 × 10 = 70.

Q: Find the product of 309 and 7.

C. 2163. Product = 309 × 7 = 2163.

Q: Arrange the following numbers from the greatest to the smallest. 2380 2083 2803 Greatest, ____, Smallest

C. 2803, 2380, 2083. Thousands digit is the same (2). Compare hundreds digit: 2803 (8) > 2380 (3) > 2083 (0). Greatest to smallest: 2803, 2380, 2083.

Q: Which of the following fractions is the simplest form of 9/12?

B. 3/4. Divide numerator and denominator by their highest common factor 3: 9 ÷ 3 = 3 and 12 ÷ 3 = 4. So 9/12 = 3/4 in simplest form.

Q: Which picture shows 5 multiply by 7?

C. Array shown in option (3). 5 × 7 means 5 groups of 7 (or 7 groups of 5), totalling 35 squares. Option (3) shows the correct arrangement (5 rows of 7 squares).

Q: There were 72 chairs in the school hall. The prefects arranged 8 chairs in each row. How many rows of chairs did they arrange?

D. 9. Number of rows = total chairs ÷ chairs per row = 72 ÷ 8 = 9.

P3 Mathematics 2023 CA1 34 questions 50 marks

Source: Nan Hua, 2023

This P3 Mathematics CA1 paper from Nan Hua (2023) contains 34 questions worth 50 marks. Use it as a study reference for Mathematics topics typically tested at P3 level in Singapore schools.

Q1 MCQ 1 mark 🖼 Visual

What fraction of the following figure is unshaded?

Q1 MCQ 1 mark

6 fives is the same as____________.

Q1 MCQ 1 mark

Which of the following is six thousand and forty-five in numerals?

Q2 MCQ 1 mark 🖼 Visual

How many right angles are there in the figure below?

Q2 MCQ 1 mark

What is the value of the digit 7 in 8271?

Q2 MCQ 1 mark

Find the product of 309 and 7.

Q3 MCQ 1 mark 🖼 Visual

Arrange the following numbers from the greatest to the smallest. 2380 2083 2803 Greatest, ____, Smallest

Q3 MCQ 1 mark

Which of the following fractions is the simplest form of 9/12?

Q3 MCQ 1 mark 🖼 Visual

Which picture shows 5 multiply by 7?

Q4 MCQ 1 mark

There were 72 chairs in the school hall. The prefects arranged 8 chairs in each row. How many rows of chairs did they arrange?

Q4 MCQ 1 mark

Find the difference between 3456 and 789.

Q4 MCQ 1 mark 🖼 Visual

How many more boxes need to be shaded so that 5/6 of the figure is shaded?

Q5 MCQ 1 mark

The librarian packed 384 books equally into 8 boxes for P1 classes to read during morning assembly. How many books did she pack in a box?

Q5 MCQ 1 mark

In the number pattern below, what is the missing number? 4100, 4135, 4170, ____, 4240, 4275

Q5 MCQ 1 mark 🖼 Visual

The mass of a math textbook is about ____________.

Q6 MCQ 1 mark

Write $6.05 in cents.

Q6 MCQ 1 mark 🖼 Visual

Arrange the students from the shortest to the tallest.

Q6 MCQ 1 mark 🖼 Visual

The bar graph shows the items that Mdm Ong purchased to give away as prizes for P3 quizzes. She purchased 3 times as many puzzles as the ____________.

Q7 MCQ 1 mark 🖼 Visual

Which class has collected a total of 184 plastic bottles?

Q7 MCQ 1 mark 🖼 Visual

What is the total volume of the liquid in the three beakers?

Q7 MCQ 1 mark 🖼 Visual

Arrange the items from the most expensive to the cheapest.

Q8 MCQ 1 mark 🖼 Visual

What number does box A and box B represent? 2/A = 4/12 = B/36

Q8 MCQ 1 mark 🖼 Visual

Which class has 14 more plastic bottles collected by the girls than the boy?

Q9 Open-ended 2 marks 🖼 Visual

Jimmy spent $18.80 for lunch. Which two food items did he order?

Q9 Open-ended 2 marks 🖼 Visual

Draw a line perpendicular to the line CD that passes through point Y.

Q10 Open-ended 2 marks

When a number is divided by 6, the quotient is 117 with remainder 1. What is the number?

Q10 Open-ended 2 marks

Peter ran 2800 m around the neighbourhood. He took a short rest and ran another 250 m. How far did he run in total? Give your answer in kilometres and metres.

Q11 Structured 2 marks 🖼 Visual

a) Arrange the following in order. Begin with the greatest. 3/8, 3/7, 3/11 b) Arrange the following in order. Begin with the smallest. 4/8, 9/10, 2/11

Q11 Structured 2 marks 🖼 Visual

The bar graph shows the number of books Sunshine Primary 3 students read during June holidays in 2022. (a) How many more boys than girls read only 1 book? (b) How many girls read more than 2 books?

Q12 Structured 3 marks

Aaron bought a cake and cut it into 9 equal slices. Sally took 2 slices while Peter took 6 slices. (a) What fraction of the cake did Sally and Peter take altogether? (b) What fraction of the cake did Aaron have left?

Q12 Structured 3 marks 🖼 Visual

Randy bought two T-shirts from a shop. The amount of change he received is shown below. (a) How much change did Randy receive? (b) Randy wanted to buy a cap that cost $18.50. How much more money does he need to buy the cap?

Q13 Open-ended 3 marks

John bought 4 identical containers. Each container had a capacity of 600 ml. After pouring some water into the containers, he realised he would need another 450 ml of water to completely fill up all the containers. How much water did he have at first?

Q13 Open-ended 3 marks

6169 people were watching a soccer match. 4096 of them were men and the rest were women. How many fewer women than men were there?

Q13 Open-ended 3 marks

A pet shop owner had 640 fishes and birds. He had 184 fewer birds than fishes. How many birds did he have in his pet shop?

P3 Mathematics CA1 2023 — Nan Hua

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