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Primary 5 Mathematics Semestral Assessment 1 (Mid-Year) Paper 1

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Questions

TUITIONGOWHERE PRIMARY SCHOOL (AI)

SEMESTER 1 ASSESSMENT EXAMINATION 2026

PRIMARY 5 MATHEMATICS

Duration: 1 hour 50 minutes Total Marks: 100

INSTRUCTIONS:

  1. Do not turn over this page until you are told to do so.
  2. Answer all questions.
  3. Show your working clearly.
  4. You are not allowed to use a calculator.

Name: _________________ ( ) Class: Primary 5 ( ) Date: _________________

SectionMarks
A (MCQ)/20
B (Short Answer)/30
C (Word Problems)/50
Total/100

Section A: Multiple Choice (20 marks)

For each question, choose the correct answer and write the letter in the brackets.

  1. What is the value of the digit 9 in 4,923,756?

    • A) 9 hundred thousand
    • B) 90 thousand
    • C) 900 thousand
    • D) 9 million

    Answer: ( )

  2. Round 8,376,429 to the nearest million.

    • A) 8,000,000
    • B) 8,400,000
    • C) 9,000,000
    • D) 10,000,000

    Answer: ( )

  3. Find: 24 ÷ 4 × 3 + 5

    • A) 23
    • B) 27
    • C) 29
    • D) 32

    Answer: ( )

  4. Express 5/8 as a decimal.

    • A) 0.58
    • B) 0.625
    • C) 0.68
    • D) 0.75

    Answer: ( )

  5. What is 3 1/4 - 1 2/3?

    • A) 1 7/12
    • B) 2 1/12
    • C) 2 7/12
    • D) 1 5/12

    Answer: ( )

  6. The ratio of boys to girls in a class is 3:4. If there are 12 boys, how many girls are there?

    • A) 9
    • B) 15
    • C) 16
    • D) 18

    Answer: ( )

  7. Express the ratio 15:25 in its simplest form.

    • A) 3:4
    • B) 3:5
    • C) 5:3
    • D) 5:6

    Answer: ( )

  8. What is the sum of angles in a triangle?

    • A) 90°
    • B) 180°
    • C) 270°
    • D) 360°

    Answer: ( )

  9. A triangle has angles of 65° and 55°. What is the third angle?

    • A) 50°
    • B) 55°
    • C) 60°
    • D) 65°

    Answer: ( )

  10. What is the area of a rectangle with length 15 cm and width 9 cm?

    • A) 24 cm²
    • B) 48 cm²
    • C) 135 cm²
    • D) 270 cm²

    Answer: ( )

Section B: Short Answer (30 marks)

Show all your working clearly.

  1. Write 6,750,284 in expanded form. [3 marks]

  2. Arrange these decimals in ascending order: 3.45, 3.405, 3.54, 3.045 [2 marks]

  3. Calculate: 5,680 × 100 ÷ 10 [3 marks]

  4. Add: 4 2/3 + 2 3/4 [4 marks]

  5. Convert these mixed numbers to improper fractions: [4 marks] a) 3 2/5 = _______ b) 5 1/8 = _______

  6. Share 84amongPeter,JohnandMaryintheratio2:3:7.[6marks]Petergets84 among Peter, John and Mary in the ratio 2:3:7. [6 marks] Peter gets , John gets _______, Mary gets

  7. Find the missing angles: [4 marks] a) In triangle ABC, if angle A = 78° and angle B = 47°, then angle C = _____° b) If two angles on a straight line are 125° and x°, then x = _____°

  8. A rectangular garden measures 20 m by 12 m. Calculate: [4 marks] a) Perimeter = _______ m b) Area = _______ m²

Section C: Word Problems (50 marks)

Show your working clearly using any method. You may draw models to help you.

  1. Large Number Problem [8 marks] A factory produced 2,456,789 toys in January and 1,987,652 toys in February. a) How many toys did the factory produce in the two months altogether? b) How many more toys were produced in January than in February?

  2. Fraction Shopping Problem [8 marks] Mrs. Lim bought 2 kg of apples. She used 3/4 kg for pie and 5/8 kg for juice. a) How much apples did she use altogether? b) How much apples were left?

  3. Money and Ratio Problem [10 marks] Alan, Ben and Charlie shared $360 in the ratio 4:5:6. a) How much money did each person get? b) If Alan spent 3/4 of his share, how much money did he have left?

  4. School Geometry Problem [12 marks] A school playground is in the shape of a rectangle. The length is 45 m and the width is 30 m. a) What is the area of the playground? b) What is the perimeter of the playground? c) The school wants to put a fence around the playground. If fencing costs $18 per metre, how much will it cost? d) If the playground is divided into 6 equal parts for different sports, what is the area of each part?

  5. Complex Ratio Problem [12 marks] In a fruit basket, the ratio of apples to oranges to bananas is 5:3:2. There are 60 fruits in total. a) How many of each type of fruit are there? b) If 6 apples and 4 oranges are eaten, what is the new ratio of apples to oranges to bananas? c) Express your answer in part (b) in its simplest form.

END OF PAPER

Answers

TUITIONGOWHERE PRIMARY SCHOOL (AI)

SEMESTER 1 ASSESSMENT EXAMINATION 2026 - ANSWERS

PRIMARY 5 MATHEMATICS

Duration: 1 hour 50 minutes Total Marks: 100

Section A: Multiple Choice (20 marks)

[2 marks each]

  1. C) 900 thousand

    • The digit 9 is in the hundred thousands place

  2. A) 8,000,000

    • Look at millions place: 8,376,429 → 8,000,000

  3. A) 23

    • BODMAS: 24 ÷ 4 × 3 + 5 = 6 × 3 + 5 = 18 + 5 = 23

  4. B) 0.625

    • 5 ÷ 8 = 0.625

  5. A) 1 7/12

    • 3 1/4 - 1 2/3 = 3 3/12 - 1 8/12 = 2 15/12 - 1 8/12 = 1 7/12

  6. C) 16

    • Boys:Girls = 3:4, if 12 boys = 3 parts, then 1 part = 4
    • Girls = 4 parts = 4 × 4 = 16

  7. B) 3:5

    • 15:25 = 15÷5:25÷5 = 3:5

  8. B) 180°

    • Sum of angles in any triangle = 180°

  9. C) 60°

    • Third angle = 180° - 65° - 55° = 60°

  10. C) 135 cm²

    • Area = length × width = 15 × 9 = 135 cm²

Section B: Short Answer (30 marks)

  1. 6,000,000 + 700,000 + 50,000 + 200 + 80 + 4 [3 marks]

  2. 3.045, 3.405, 3.45, 3.54 [2 marks]

  3. 56,800 [3 marks] Working: 5,680 × 100 = 568,000, then 568,000 ÷ 10 = 56,800

  4. 7 5/12 [4 marks] Working: 4 2/3 + 2 3/4 = 4 8/12 + 2 9/12 = 6 17/12 = 7 5/12

  5. Improper fractions: [4 marks] a) 3 2/5 = 17/5 b) 5 1/8 = 41/8

  6. Money sharing: [6 marks]

    • Ratio = 2:3:7, Total = 12 parts = $84
    • 1 part = 84÷12=84 ÷ 12 = 7
    • Peter gets 14∗∗,Johngets∗∗14**, John gets **21, Mary gets $49

  7. Missing angles: [4 marks] a) Angle C = 180° - 78° - 47° = 55° b) x = 180° - 125° = 55°

  8. Garden calculations: [4 marks] a) Perimeter = 2(20 + 12) = 64 m b) Area = 20 × 12 = 240 m²

Section C: Word Problems (50 marks)

  1. Factory production: [8 marks] a) Total = 2,456,789 + 1,987,652 = 4,444,441 toys b) Difference = 2,456,789 - 1,987,652 = 469,137 toys

  2. Apple usage: [8 marks] a) Total used = 3/4 + 5/8 = 6/8 + 5/8 = 11/8 kg or 1 3/8 kg b) Left = 2 - 1 3/8 = 5/8 kg

  3. Money sharing problem: [10 marks] a) Ratio = 4:5:6, Total = 15 parts = $360

    • 1 part = 360÷15=360 ÷ 15 = 24
    • Alan: 96,Ben:96, Ben: 120, Charlie: $144

    b) Alan spent = 3/4 × 96=96 = 72

    • Alan left = 96−96 - 72 = $24

  4. Playground calculations: [12 marks] a) Area = 45 × 30 = 1,350 m² b) Perimeter = 2(45 + 30) = 150 m c) Cost = 150 × 18=∗∗18 = **2,700** d) Area per part = 1,350 ÷ 6 = 225 m²

  5. Complex ratio problem: [12 marks] a) Ratio = 5:3:2, Total = 10 parts = 60 fruits

    • 1 part = 6 fruits
    • Apples: 30, Oranges: 18, Bananas: 12

    b) After eating: Apples: 24, Oranges: 14, Bananas: 12

    • New ratio = 24:14:12

    c) Simplest form = 12:7:6

END OF ANSWERS