Primary 6 – First Term Examination for Mathematics Questions and Answers

PRIMARY 6 MATHEMATICS EXAM QUESTIONS AND ANSWERS

SECTION A: OBJECTIVE QUESTIONS 

1. What is the value of 7,346 + 2,755?

A. 9,091  B. 10,001  C. 9,111  D. 10,111

2. 9,008 – 3,423 = _______

A. 5,685  B. 6,485  C. 5,585  D. 6,585

3. The place value of 6 in 26,549 is —

A. Hundreds  B. Tens  C. Thousands  D. Ten thousands

4. Write four thousand, two hundred and nine in figures.

A. 4,092  B. 4,290  C. 4,209  D. 4,920

5. Round 3,746 to the nearest hundred.

A. 3,700  B. 3,800  C. 3,750  D. 3,740

6. What is ⅖ of 40?

A. 10  B. 12  C. 16  D. 20

7. Simplify: ⅗ + ⅖ =

A. ⅘  B. 1  C. 5⁄5  D. 1⅕

8. Convert ¾ to a percentage.

A. 25%  B. 50%  C. 75%  D. 80%

9. 20% of 250 is —

A. 25  B. 40  C. 45  D. 50

10. Write in Roman numerals: 47

A. XLVII  B. LVII  C. XLIV  D. LXVII

11. The Roman numeral for 99 is —

A. IC  B. XCIX  C. LXLIX  D. IL

12. Which of these numbers is a prime number?

A. 9  B. 15  C. 17  D. 21

13. Find the LCM of 4 and 6.

A. 10  B. 8  C. 12  D. 24

14. The HCF of 18 and 24 is —

A. 3  B. 6  C. 9  D. 12

15. The factors of 20 are —

A. 1, 2, 4, 5, 10, 20  B. 1, 3, 5, 7, 9, 11  C. 2, 5, 8, 10  D. 2, 4, 6, 8

16. Simplify: 72 ÷ 8 × 4 =

A. 9  B. 18  C. 36  D. 4

17. What is the product of 125 × 8?

A. 800  B. 900  C. 1000  D. 1100

18. Divide 560 by 8.

A. 60  B. 65  C. 70  D. 80

19. If one pen costs ₦120, what is the cost of 5 pens?

A. ₦500  B. ₦550  C. ₦600  D. ₦650

20. A bag of rice weighs 50 kg. What is the weight of 4 bags?

A. 150 kg  B. 180 kg  C. 200 kg  D. 250 kg

21. Convert 1.5 m to centimetres.

A. 15 cm  B. 150 cm  C. 1500 cm  D. 105 cm

22. Convert 250 cm to metres.

A. 2.5 m  B. 25 m  C. 0.25 m  D. 250 m

23. The perimeter of a square whose side is 6 cm is —

A. 12 cm  B. 18 cm  C. 24 cm  D. 36 cm

24. Find the area of a rectangle 8 cm long and 6 cm wide.

A. 14 cm²  B. 24 cm²  C. 48 cm²  D. 56 cm²

25. The area of a square is 49 cm². Find the length of one side.

A. 6 cm  B. 7 cm  C. 8 cm  D. 9 cm

26. The sum of angles in a triangle is —

A. 90°  B. 120°  C. 180°  D. 360°

27. How many right angles make a straight line?

A. 1  B. 2  C. 3  D. 4

28. Which shape has 4 equal sides and 4 right angles?

A. Rectangle  B. Square  C. Triangle  D. Rhombus

29. A clock shows 3 o’clock. What is the angle between the two hands?

A. 30°  B. 60°  C. 90°  D. 120°

30. A triangle with all sides equal is called —

A. Isosceles  B. Equilateral  C. Scalene  D. Right-angled

31. Which of the following is an odd number?

A. 14  B. 18  C. 21  D. 24

32. Write 0.75 as a fraction.

A. ¾  B. ⅔  C. ⅖  D. ⅗

33. Write ⅖ as a decimal.

A. 0.2  B. 0.3  C. 0.4  D. 0.5

34. ⅓ of 90 is —

A. 20  B. 25  C. 30  D. 40

35. Simplify: 1½ + 2¼ =

A. 3¾  B. 4¼  C. 3¼  D. 4½

36. Find the average of 12, 15, and 21.

A. 14  B. 15  C. 16  D. 18

37. Find the mean of 8, 10, 12, and 14.

A. 10  B. 11  C. 12  D. 13

38. If 6 mangoes cost ₦300, find the cost of 1 mango.

A. ₦40  B. ₦45  C. ₦50  D. ₦55

39. How many minutes are there in 2 hours 30 minutes?

A. 120 min  B. 130 min  C. 140 min  D. 150 min

40. ¾ hour = _______ minutes

A. 30 min  B. 45 min  C. 50 min  D. 60 min

41. 1 week = _______ days

A. 5  B. 6  C. 7  D. 10

42. Leap year has _______ days.

A. 365  B. 366  C. 364  D. 367

43. Which of these is a metric unit of mass?

A. litre  B. metre  C. gram  D. degree

44. Convert 2 kg to grams.

A. 20 g  B. 200 g  C. 2000 g  D. 20,000 g

45. The instrument used to measure temperature is —

A. Ruler  B. Thermometer  C. Compass  D. Protractor

46. A clock starts at 10 a.m. and stops at 1 p.m. How long did it run?

A. 1 hour  B. 2 hours  C. 3 hours  D. 4 hours

47. The next number in the sequence 5, 10, 15, 20, ___ is —

A. 22  B. 24  C. 25  D. 25

48. In the sequence 2, 4, 8, 16, ___, the next number is —

A. 20  B. 24  C. 32  D. 36

49. Find the missing number: □ + 25 = 100

A. 50  B. 60  C. 70  D. 75

50. What is 1,000 ÷ 25?

A. 25  B. 30  C. 40  D. 50

 

ANSWER KEY / MARKING GUIDE

1 C  11 B  21 B  31 C  41 C

2 A  12 C  22 A  32 A  42 B

3 C  13 C  23 C  33 C  43 C

4 C  14 B  24 C  34 C  44 C

5 B  15 A  25 B  35 A  45 B

6 C  16 B  26 C  36 C  46 C

7 B  17 C  27 B  37 C  47 C

8 C  18 C  28 B  38 C  48 C

9 D  19 C  29 C 39 D  49 D

10 A  20 C  30 B  40 B  50 D

 

SECTION A: OBJECTIVE QUESTIONS

QUESTION 1 (10 marks)

a. Write in figures: Nine thousand, eight hundred and seventy-five.

b. Write 6,347 in words.

c. Write in expanded form: 7,052.

d. Round 8,476 to the nearest hundred.

e. Write the Roman numeral for 89.

 

QUESTION 2 (10 marks)

a. Multiply 367 by 25.

b. Divide 1,872 by 12.

c. Find the LCM of 6 and 8.

d. Find the HCF of 18 and 27.

e. Simplify: 3/4 + 2/3

 

QUESTION 3 (10 marks)

a. Convert 2.5 metres to centimetres.

b. Convert 450 cm to metres.

c. A rectangle is 8 cm long and 6 cm wide.

(i) Find its perimeter.

(ii) Find its area.

d. Find the area of a square whose side is 9 cm.

 

QUESTION 4 (10 marks)

a. A trader bought 12 oranges at ₦80 each and sold them at ₦100 each.

(i) Find the cost price.

(ii) Find the selling price.

(iii) Find the profit.

b. If 15 mangoes cost ₦900, find the cost of 10 mangoes.

c. Write ¾ as a percentage.

 

QUESTION 5 (10 marks)

a. The sum of three numbers is 72. Two of them are 20 and 25. Find the third number.

b. A car travels 240 km in 4 hours. Find its speed in km/h.

c. Convert 2½ hours to minutes.

d. The mean of 8, 10, 12, and 14 is —?

e. Find the next two terms of this sequence: 5, 10, 15, 20, ___, ___

 

SCORING GUIDE

50 Questions × 2 marks each = 100 Marks. Pass mark (recommended): 50% or 25 correct answers

QUESTION 1 (10 marks)

a. Nine thousand, eight hundred and seventy-five → 9,875 (2 marks)

b. 6,347 → Six thousand, three hundred and forty-seven (2 marks)

c. 7,052 → 7,000 + 50 + 2 (2 marks)

d. 8,476 rounded to nearest hundred = 8,500 (2 marks)

e. 89 in Roman numerals = LXXXIX (2 marks)

Total = 10 marks

 

QUESTION 2 (10 marks)

a. 9,175 (2 marks)

b. 156 (2 marks)

c. LCM (6, 8):

Multiples of 6 → 6, 12, 18, 24, 30, 36

Multiples of 8 → 8, 16, 24, 32, 40

LCM = 24 (2 marks)

d. HCF (18, 27):

Factors of 18 = 1, 2, 3, 6, 9, 18

Factors of 27 = 1, 3, 9, 27

HCF = 9 (2 marks)

e. 3/4 + 2/3 = (9 + 8)/12 = 17/12 = 1 5/12 (2 marks)

Total = 10 marks

 

QUESTION 3 (10 marks)

a. 2.5 m = 2.5 x 100 = 250 cm (2 marks)

b. 450 cm = 450 ÷ 100 = 4.5 m (2 marks)

c. Rectangle: Length = 8 cm, Width = 6 cm

(i) Perimeter = 2 (L + W) = 2 (8 + 6) = 28 cm (2 marks)

(ii) Area = L x W = 8 x 6 = 48 cm² (2 marks)

d. Square side = 9 cm

Area = 9 x 9 81 cm² (2 marks)

Total = 10 marks

 

QUESTION 4 (10 marks)

a. Cost of each oranges

(i) Cost Price = 12 x ₦80 = ₦960

(ii) Selling Price =12 x ₦100 = ₦1,200

(iii) Profit = ₦1,200 – ₦960 = ₦240 (4 marks total)

b. If 15 mangoes cost ₦900, 1 mango = ₦900 ÷ 15 = ₦60

Then 10 mangoes = 10 x ₦60 = ₦600 (3 marks)

c. ¾ as a percentage = 3/4 x 100 = 75 (3 marks)

Total = 10 marks

 

QUESTION 5 (10 marks)

a. Sum = 72; two numbers = 20 and 25

Third number = 73 – (20 + 25) = 27 (2 marks)

b. Speed = Distance ÷ Time = 240 ÷ 4 = 60 km/h (2 marks)

c. 2½ hours = 2.5 x 60 = 150 minutes (2 marks)

d. Mean = (8 + 10 + 12 + 14)/4 = 44/4 = 11 (2 marks)

e. Sequence 5, 10, 15, 20, … (difference +5)

Next two terms = 25, 30 (2 marks)

Total = 10 marks