Mathematics for IGCSE & O level - The Four Operations (Section 6)

  • 1
    In the expression 5 * 4 - 10 / 2, what is the first step?
    Vastaus
    (B)
    Multiplication
  • 2
    Solve the equation: 25 / 5 + 2 * 3 - 1
    Vastaus
    (C)
    10
  • 3
    What are the steps when solving 5 + (10 - 2) / 4?
    Vastaus
    (B)
    Subtraction, Division, Addition
  • 4
    How does the order of operations affect the solution of an equation?
    Vastaus
    (B)
    It ensures the solution is unique and consistent.
  • 5
    For the equation 3+4*5-2, which operations should be done?
    Vastaus
    A
    B
    C
  • 6
    What operation is done before subtraction and addition?
    Vastaus
    (B)
    Multiplication
  • 7
    What is the result of the expression: 8 / 2 + 3 * 2 - 1?
    Vastaus
    (C)
    11
  • 8
    What is the result of 2 1/3 - 1/4?
    Vastaus
    (B)
    2 5/12
  • 9
    Calculate 8.9 ÷ 1.3.
    Vastaus
    (A)
    6.8
  • 10
    Which is the result of 1.35 ÷ 1.5?
    Vastaus
    (B)
    0.9
  • 11
    Solve: 3 + 6 / 2
    Vastaus
    (B)
    6
  • 12
    What is the value of 1/5 + 4/15?
    Vastaus
    (B)
    7/15
  • 13
    In the following equation, what must be calculated first to get to the final answer: 10 + (2 x 3) - 4?
    Vastaus
    (B)
    Multiplication
  • 14
    Which of the following is the correct simplification of the expression 5 + 3 * (4 - 1)?
    Vastaus
    (B)
    5 + 3 * 3
  • 15
    What is the result of 2 1/5 + 1/3?
    Vastaus
    (A)
    2 8/15
  • 16
    What is the simplified form of 3/4 - 1/6?
    Vastaus
    (D)
    7/12
  • 17
    What is the answer to the equation: 10 - 4 / 2?
    Vastaus
    (B)
    8
  • 18
    Which step is correct for solving 8 + 2 x 4 - 3?
    Vastaus
    (A)
    2 x 4, 8 + 8, 16 - 3
  • 19
    When checking the answer for 884 ÷ 26, what is the answer?
    Vastaus
    (A)
    24
  • 20
    If you are using fractions or decimals, how does the order of operations work?
    Vastaus
    (C)
    Order of operations rules remain the same
  • 21
    Which operation is done before addition according to the order of operations?
    Vastaus
    A
    B
    C
    D
  • 22
    What is the result of checking the answer to 884/26?
    Vastaus
    (A)
    24
  • 23
    Calculate 2 1/3 - 1/4.
    Vastaus
    (B)
    2 5/12
  • 24
    What is 1/4 of 5?
    Vastaus
    (A)
    5/4
  • 25
    What is the result of 6 + 4 / 2?
    Vastaus
    (B)
    8
  • 26
    In the calculation 18 ÷ 3 + 5 x 2 - 4, which operation is performed second?
    Vastaus
    (C)
    Multiplication
  • 27
    Solve the expression: 2 1/5 + 1/3
    Vastaus
    (A)
    2 8/15
  • 28
    Which of the following calculations will result in a positive outcome?
    Vastaus
    (D)
    A negative number / a negative number
  • 29
    Which of the following is the correct way to calculate $\frac{2}{3} \div 4$?
    Vastaus
    (C)
    $\frac{2}{3} \times \frac{1}{4}$
  • 30
    If $x = 2/3$ and $y = 1/4$, what is the value of $x + y$?
    Vastaus
    (C)
    11/12
  • 31
    How many vertices (corners) does a pentagon have?
    Vastaus
    (C)
    5
  • 32
    Which of the following calculations correctly shows how to solve 2/3 ÷ 1/2?
    Vastaus
    (A)
    (2/3) * (2/1)
  • 33
    What is the result when you multiply a negative number by a positive number?
    Vastaus
    (B)
    A negative number
  • 34
    Which of the following expressions is equivalent to 15 ÷ 5/2?
    Vastaus
    (B)
    15 × 2/5
  • 35
    What is 75% as a fraction?
    Vastaus
    (C)
    3/4
  • 36
    When calculating with mixed numbers, what should be done before other operations?
    Vastaus
    (A)
    Convert all mixed numbers to improper fractions.
  • 37
    What is the value of 'a' in the equation: a / 4 = 8?
    Vastaus
    (D)
    32
  • 38
    Which of the following sets of numbers are prime?
    Vastaus
    A
    C
  • 39
    Which statement is correct when comparing fractions 1/3 and 2/5?
    Vastaus
    (B)
    1/3 < 2/5
  • 40
    What is the answer to the following calculation: $3/5 \div 2/3$?
    Vastaus
    (A)
    9/10
  • 41
    Which of the following numbers is NOT a prime number?
    Vastaus
    (D)
    9
  • 42
    Which of these numbers is a factor of 12?
    Vastaus
    (C)
    3
  • 43
    Which rules applies to multiplying and dividing positive and negative numbers?
    Vastaus
    A
    B
  • 44
    What is the missing number in the sequence: 2, 4, 6, __, 10?
    Vastaus
    (B)
    8
  • 45
    What is the result of: $1 \frac{1}{2} \div \frac{3}{4}$
    Vastaus
    (B)
    2
  • 46
    What is the result of (3 + 2) * 4 ?
    Vastaus
    (C)
    20
  • 47
    What operation should be used to simplify $\frac{3}{4} \div \frac{1}{2}$?
    Vastaus
    (C)
    Multiplication
  • 48
    What is the correct method to calculate 4/5 + 2/3?
    Vastaus
    A
    D
  • 49
    What is the formula for the area of a triangle?
    Vastaus
    (B)
    0.5 * b * h
  • 50
    Which options represent equivalent fractions?
    Vastaus
    A
    C
    D