MATHEMATICS FIRST TERM EXAMINATION PRIMARY 6

Week 11: Revision of All Topics Covered

Subject: Mathematics
Class: Primary 6
Term: First Term
Week: 11
Age: 11 years


Part A: Review and Revision

20 FAQs with Answers

  1. What is a whole number?
    Whole numbers are numbers without fractions or decimals. They include 0, 1, 2, 3, etc.
  2. How do you round a number to the nearest ten?
    Look at the digit in the ones place. If it is 5 or more, round up. If it is less than 5, round down.
  3. What is a decimal fraction?
    A decimal fraction is a fraction where the denominator is a power of 10, like 0.5 or 0.25.
  4. How do you add decimal fractions?
    Line up the decimal points, add as usual, and place the decimal point in the answer.
  5. What is multiplication?
    Multiplication is adding a number to itself a certain number of times.
  6. How do you divide a number by another number?
    Divide the number into equal parts and find how many parts fit into the number.
  7. What is the difference between LCM and HCF?
    LCM (Least Common Multiple) is the smallest number that is a multiple of two or more numbers. HCF (Highest Common Factor) is the largest number that divides two or more numbers without leaving a remainder.
  8. How do you find the LCM of two numbers?
    List the multiples of each number and find the smallest multiple they both share.
  9. What is a fraction?
    A fraction represents a part of a whole, like 1/2 or 3/4.
  10. How do you convert a fraction to a decimal?
    Divide the numerator by the denominator.
  11. What is the order of operations in math?
    It is the order in which you perform calculations: Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right).
  12. How do you draw a scale diagram?
    Use a scale to convert actual measurements into smaller or larger measurements on paper.
  13. What is approximation?
    Approximation is estimating a number to make it easier to work with.
  14. How do you solve real-life problems with addition and subtraction?
    Translate the problem into a mathematical equation and solve it using addition or subtraction.
  15. What is quantitative reasoning?
    It involves solving problems using mathematical concepts and reasoning.
  16. How do you round decimal numbers?
    Look at the digit to the right of the place value you are rounding to and round up or down based on that digit.
  17. What is a scale in scale drawing?
    A scale is a ratio that shows how measurements in a drawing compare to actual measurements.
  18. How do you find the HCF of two numbers?
    List the factors of each number and find the largest factor they both share.
  19. What are place values in numbers?
    Place values are the value of each digit depending on its position in a number, like units, tens, hundreds, etc.
  20. How do you solve multiplication problems?
    Multiply each digit of one number by each digit of the other number and add the results.

Part B: Objective Questions

  1. To round 237 to the nearest hundred, the result is _______.
    a) 200
    b) 250
    c) 230
    d) 300
  2. The decimal 4.78 rounded to the nearest whole number is _______.
    a) 4
    b) 5
    c) 4.8
    d) 4.7
  3. To find the LCM of 6 and 8, you get _______.
    a) 24
    b) 12
    c) 6
    d) 8
  4. When multiplying 12 by 5, the answer is _______.
    a) 60
    b) 50
    c) 55
    d) 65
  5. 7 divided by 3 equals _______.
    a) 2
    b) 2.33
    c) 3
    d) 2.5
  6. The HCF of 24 and 36 is _______.
    a) 12
    b) 24
    c) 18
    d) 6
  7. To add 3.45 and 2.55, you get _______.
    a) 6.00
    b) 6.10
    c) 5.90
    d) 5.00
  8. Rounding 1,456 to the nearest thousand results in _______.
    a) 1,000
    b) 1,500
    c) 1,400
    d) 2,000
  9. The fraction 3/4 converted to a decimal is _______.
    a) 0.75
    b) 0.70
    c) 0.50
    d) 0.25
  10. To find the place value of 7 in 4,572, it is _______.
    a) 70
    b) 7
    c) 700
    d) 7000
  11. 0.35 rounded to the nearest tenth is _______.
    a) 0.3
    b) 0.4
    c) 0.35
    d) 0.5
  12. 5,678 rounded to the nearest hundred is _______.
    a) 5,700
    b) 5,600
    c) 5,650
    d) 5,500
  13. The result of 9 multiplied by 7 is _______.
    a) 63
    b) 72
    c) 60
    d) 54
  14. To subtract 125 from 200, the result is _______.
    a) 75
    b) 85
    c) 80
    d) 90
  15. The decimal 2.88 rounded to the nearest whole number is _______.
    a) 2
    b) 3
    c) 2.9
    d) 2.8
  16. 2/5 converted to a decimal is _______.
    a) 0.4
    b) 0.5
    c) 0.2
    d) 0.6
  17. To round 6.65 to the nearest tenth, the result is _______.
    a) 6.6
    b) 6.7
    c) 6.5
    d) 6.8
  18. The LCM of 4 and 5 is _______.
    a) 20
    b) 10
    c) 15
    d) 8
  19. To divide 56 by 7, the result is _______.
    a) 8
    b) 7
    c) 9
    d) 6
  20. The HCF of 18 and 27 is _______.
    a) 3
    b) 6
    c) 9
    d) 12

Part C: Theory Questions

  1. What steps do you follow to round a number to the nearest ten?
  2. Describe how to convert a fraction like 1/4 into a decimal.
  3. How do you solve a multiplication problem involving two-digit numbers?
  4. Explain the method for dividing a number by a single-digit divisor.
  5. What is the procedure for finding the HCF of two numbers?
  6. How do you add decimal fractions?
  7. Describe how to round a number with decimal places.
  8. Explain how to draw a scale diagram for a given object.
  9. How can you use multiplication in solving a real-life problem?
  10. What is the process for finding the LCM of two numbers?
  11. How do you subtract one decimal number from another?
  12. Describe how to find the place value of a digit in a number.
  13. What are the steps for solving a division problem?
  14. How can approximation help in solving mathematical problems?
  15. Explain the difference between LCM and HCF.
  16. How do you use a scale to convert real distances into smaller drawings?
  17. Describe how to round a large number to the nearest thousand.
  18. What is the procedure for solving quantitative reasoning questions?
  19. How do you multiply decimal numbers together?
  20. Explain how to solve problems involving fractions in everyday life.

Part D: True or False Questions

  1. Rounding 78 to the nearest ten gives 80. (True/False)
  2. 4.56 rounded to the nearest whole number is 5. (True/False)
  3. The HCF is always smaller than the LCM. (True/False)
  4. 3/8 as a decimal is 0.375. (True/False)
  5. The LCM of 9 and 12 is 36. (True/False)
  6. 56 rounded to the nearest hundred is 100. (True/False)
  7. You can only use rounding for whole numbers. (True/False)
  8. Multiplication is the opposite of addition. (True/False)
  9. Decimal numbers can be rounded up or down. (True/False)
  10. The fraction 2/3 is equal to 0.6. (True/False)
  11. You can find the HCF by listing multiples of the numbers. (True/False)
  12. To divide a number by another number, you subtract. (True/False)
  13. 0.25 rounded to the nearest tenth is 0.3. (True/False)
  14. The place value of 5 in 352 is 50. (True/False)
  15. LCM stands for Lowest Common Multiple. (True/False)
  16. Fractions and decimals are the same thing. (True/False)
  17. Division can result in a remainder. (True/False)
  18. The decimal equivalent of 1/2 is 0.5. (True/False)
  19. Rounding 399 to the nearest hundred gives 400. (True/False)
  20. Adding decimals requires aligning the decimal points. (True/False)

Part E: Fill-in-the-Gaps Questions

  1. 387 rounded to the nearest ten is _______.
  2. 0.65 rounded to the nearest whole number is _______.
  3. The HCF of 14 and 21 is _______.
  4. To convert 3/4 to a decimal, the result is _______.
  5. 8 multiplied by 7 equals _______.
  6. The LCM of 5 and 10 is _______.
  7. 3.45 rounded to the nearest tenth is _______.
  8. The place value of 6 in 1,562 is _______.
  9. 54 divided by 9 equals _______.
  10. The fraction 1/8 as a decimal is _______.
  11. 7.89 rounded to the nearest whole number is _______.
  12. To find the HCF of 16 and 24, the result is _______.
  13. The result of 15 divided by 3 is _______.
  14. 0.8 rounded to the nearest whole number is _______.
  15. The decimal equivalent of 1/5 is _______.
  16. 42 rounded to the nearest hundred is _______.
  17. To multiply 3.4 by 2, the result is _______.
  18. The LCM of 6 and 9 is _______.
  19. The place value of 3 in 432 is _______.
  20. 0.7 rounded to the nearest tenth is _______.

Mathematics Primary 6: Exam Questions

Section A

  1. Write three million five hundred thousand and ninety-six in figure:
    • (a) 350096
    • (b) 3500096
    • (c) 3506
    • (d) 3500196
  2. Write 94816 in figure:
    • (a) nine thousand four hundred and eighty-six
    • (b) ninety-four million, eight hundred and sixteen
    • (c) ninety-four thousand, eight hundred and sixteen
    • (d) nine thousand eight hundred and sixteen
  3. Write 279 in Roman numerals:
    • (a) XXIX
    • (b) CLXXIX
    • (c) XCLXXIX
    • (d) CCLXXIX
  4. What is the error when a boy wrote three thousand and two instead of thirty thousand and two?
    • (a) 27,000
    • (b) 16,000
    • (c) 3,000
    • (d) 30,000
  5. What is the place value of the ringed digit in 3786 21?
    • (a) hundreds
    • (b) units
    • (c) hundredth
    • (d) tens
  6. What is the place value of 3 in 8.391?
    • (a) tens
    • (b) tenth
    • (c) hundreds
    • (d) unit
  7. Arrange the following in ascending order:
    • (a) 0.7, 0.306, 0.089
    • (b) 0.306, 0.089, 0.7
    • (c) 0.7, 0.08, 0.306
    • (d) 0.089, 0.306, 0.7
  8. Correct 2.849 to 2 decimal places:
    • (a) 2.84
    • (b) 2.8
    • (c) 2.85
    • (d) 2.90
  9. Convert 85/100 to a decimal fraction:
    • (a) 0.85
    • (b) 0.8
    • (c) 0.085
    • (d) 0.0085
  10. Convert 21 in base 10 numerals to base 2:
    • (a) 1010₂
    • (b) 10101₂
    • (c) 10111₂
    • (d) 10001₂
  11. Which fraction is larger: 3/5 or 1/2?
    • (a) 1/2
    • (b) 3/5
    • (c) A & B
    • (d) none
  12. 4/5 ___ 5/6
    • (a) +
    • (b) >
    • (c) <
    • (d) none
  13. Find the number of oranges shared when 1/3 of 60 oranges are shared:
    • (a) 60
    • (b) 30
    • (c) 15
    • (d) 20
  14. Find the ratio of 25k to 20k:
    • (a) 5:4
    • (b) 4:3
    • (c) 5:3
    • (d) 4:7
  15. The sides of a rectangle are in the ratio 1:3. The shorter side is 6cm. Find the longer side:
    • (a) 10cm
    • (b) 6cm
    • (c) 18cm
    • (d) 25cm
  16. Divide 30 apples between Taiwo and Kehinde in the ratio 1:4. What is Taiwo’s share?
    • (a) 4
    • (b) 6
    • (c) 24
    • (d) 10
  17. Convert 0.5 to a fraction in its lowest term:
    • (a) 1/4
    • (b) 1/5
    • (c) 1/10
    • (d) 1/2
  18. Change 2/5 to a percentage:
    • (a) 20%
    • (b) 40%
    • (c) 50%
    • (d) 100%
  19. Write 7/100 as a decimal:
    • (a) 0.7
    • (b) 0.70
    • (c) 0.07
    • (d) 0.007
  20. Find the LCM of 8 and 12:
    • (a) 32
    • (b) 24
    • (c) 30
    • (d) 72
  21. Find the HCF of 30 and 24:
    • (a) 6
    • (b) 12
    • (c) 15
    • (d) 5
  22. Add 0.5, 1.12, 0.06 together:
    • (a) 0.68
    • (b) 1.90
    • (c) 1.68
    • (d) 1.86
  23. Solve 1/3 + 3/4:
    • (a) 1/12
    • (b) 1/4
    • (c) 1 1/12
    • (d) 1 1/5
  24. If x/5 = 24/40, find x:
    • (a) 5
    • (b) 3
    • (c) 10
    • (d) 40
  25. Subtract 0.07 from 1.5:
    • (a) 1.43
    • (b) 1.70
    • (c) 0.7
    • (d) 1.5
  26. BODMAS means:
    • (a) Brackets, Orders, Division, Multiplication, Addition, Subtraction
    • (b) Brackets, Operations, Division, Multiplication, Addition, Subtraction
    • (c) Brackets, Order, Division, Multiplication, Addition, Subtraction
    • (d) Brackets, Order, Division, Multiply, Addition, Subtract
  27. Write eight million and six in figure:
    • (a) 8000006
    • (b) 800060
    • (c) 80000060
    • (d) 8000006
  28. Divide L by V (Roman numerals):
    • (a) 5
    • (b) 6
    • (c) 2
    • (d) 10
  29. What is the value of 3 in 29.3:
    • (a) tens
    • (b) unit
    • (c) hundredth
    • (d) decimal
  30. Write 20 as a product of prime factors:
    • (a) 2 × 2 × 5
    • (b) 2 × 2 × 2 × 5
    • (c) 2 × 5 × 5
    • (d) 2 × 10
  31. Which fraction is smaller: 2/3 or 3/8?
    • (a) 2/3
    • (b) 3/8
    • (c) Both are equal
    • (d) None
  32. Find the fraction shared if 48 out of 60 groundnuts are shared:
    • (a) 4/5
    • (b) 8/10
    • (c) 8/5
    • (d) 4/10
  33. Change 1/5 to decimal:
    • (a) 0.2
    • (b) 0.5
    • (c) 0.05
    • (d) 1.0
  34. What is the ratio of 3 months to 1 year?
    • (a) 1:4
    • (b) 1:3
    • (c) 3:12
    • (d) 1:12
  35. Ten men take 8 days to dig a trench. How many men are needed to dig it in 4 days, working at the same rate?
    • (a) 20
    • (b) 12
    • (c) 15
    • (d) 25
  36. Six cups of rice cost N90. How much would 10 cups cost?
    • (a) N150
    • (b) N120
    • (c) N160
    • (d) N200
  37. A boy scored 15 out of 60 sums. Express his mark as a percentage:
    • (a) 25%
    • (b) 50%
    • (c) 20%
    • (d) 10%
  38. Convert 3110 to base 2:
    • (a) 11000011010₂
    • (b) 11000010110₂
    • (c) 10011011010₂
    • (d) 10011001010₂
  39. Add 856, 312, 142 together:
    • (a) 1310
    • (b) 1300
    • (c) 1302
    • (d) 1308
  40. Solve 16 ÷ 4 (4+4) (use BODMAS):
    • (a) 8
    • (b) 4
    • (c) 2
    • (d) 1

Section B

  1. Write the following in words:
    • (i) 620134
    • (ii) 10360120
    • (iii) 72481341
  2. Find the LCM and HCF of:
    • (a) 24 and 10
    • (b) 18 and 30
  3. Add the following:
    • (a) 2/3 + 1/6
    • (b) 2 ½ + 1 ¾
  4. Divide 4800kg of rice in the ratio of 3:5.
  5. Write the place value of 5 in the following:
    • (a) 634125
    • (b) 64.52
    • (c) 685362