Q1
Structured
2 marks
🖼 Visual
In the figure below, ABC is a triangle. (a) What is base of triangle ABC when the height is CD? (b) What is the height of triangle ABC when the base is AC?
P5 Mathematics SA1 2021 — Nanyang
Source: Nanyang, 2021
This P5 Mathematics SA1 paper from Nanyang (2021) contains 6 questions worth 20 marks. Use it as a study reference for Mathematics topics typically tested at P5 level in Singapore schools.
Q2
Open-ended
2 marks
🖼 Visual
In the square grid below, AE, CG, AB, BC, FG and FE are straight lines. What is the total area of the shaded parts as shown in the figure?
Q3
Structured
3 marks
🖼 Visual
The solid shown below is made up of some 1-cm cubes. (a) What is the volume of the solid? (b) Draw the top view and the front view of the solid on the grids below.
Q4
Structured
4 marks
A farmer harvested 123.29 kg of groundnuts in the morning. (a) How many grams of groundnuts did the farmer harvest in the morning? (b) The farmer then harvested another 88 kg 710 g of groundnuts in the afternoon. All the groundnuts harvested by the farmer in the morning and afternoon were packed into bags of 100 g each. How many such bags of groundnuts were there?
Q5
Structured
4 marks
🖼 Visual
A rectangular tank was 2/5-filled with water at first. Some of the water from the rectangular tank was poured into an empty cubical container of sides 8 cm each to the brim. The rectangular tank then became 1/3-filled with water. (a) What was the volume of water in the cubical container when it was filled to the brim? (b) What was the capacity of the rectangular tank? Give your answer in litres and millilitres.
Q6
Structured
5 marks
🖼 Visual
The table shows the length of ribbon used in each month by Jisoo. The length of ribbon she used in May and June are not shown. (a) In which month, from January to April, did Jisoo use the shortest length of ribbon? (b) What was the total length of ribbon Jisoo used in February and April? (c) In June, Jisoo needed 50 pieces of ribbons, each of length 2.2 m. The ribbon was sold in rolls of 10 m each. What was the least number of rolls of ribbon that Jisoo needed to buy? (d) 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. Statement 1: Jisoo used the longest length of ribbon in May. Statement 2: Between the months of January and April, the greatest increase in the length of ribbon used was from February to March.