Key Stage 3 Mental Arithmetic Test

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| By 27roguntimehin
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27roguntimehin
Community Contributor
Quizzes Created: 1 | Total Attempts: 1,178
| Attempts: 1,178
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  • 1/12 Questions

    7a + 2b + 3a + 5b =

    • 17ab
    • 10a + 7b
    • 9ab + 8ab
    • 9a + 8a
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About This Quiz

This Key Stage 3 Mental Arithmetic Test assesses basic mathematical skills through problems involving multiplication, addition, and sequence completion. It is designed to enhance computational fluency and numerical reasoning in a straightforward format, suitable for young learners.

Arithmetic Quizzes & Trivia

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  • 2. 

    2f + f = 30What Does f Equal To ?

    • 8

    • 10

    • 0.1

    • 11

    Correct Answer
    A. 10
    Explanation
    In the given equation, 2f + f = 30, we need to find the value of f. Combining like terms, we get 3f = 30. Dividing both sides by 3, we find that f = 10.

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  • 3. 

    - 170 + 19 =

    Correct Answer
    -151
    Negative one hundred and fifty one
    Minus One Hundred And Fifty One
    Explanation
    The given equation is 170 + 19. When we add 170 and 19 together, we get a sum of 189. However, the given answer is -151, which is incorrect. The correct answer should be 189.

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  • 4. 

    13kdIf k = 3 and d = 2Then What does 13kd equal?

    Correct Answer
    78
    Explanation
    The expression 13kd can be simplified by substituting the given values of k and d. Since k = 3 and d = 2, we can rewrite 13kd as 13(3)(2). Multiplying these values together gives us 78, which is the final result.

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  • 5. 

    If 48 x 72 = 3456What Is 24 x 72 ?

    • 1223

    • 864

    • 1728

    • 3456

    Correct Answer
    A. 1728
    Explanation
    The given equation states that 48 multiplied by 72 equals 3456. To find the product of 24 multiplied by 72, we can observe that 24 is half of 48. Therefore, the product will also be half of 3456. Half of 3456 is 1728.

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  • 6. 

    Y x y x y x y =

    • 4y

    • Y to the power of 4

    • Yyyy

    • 1

    Correct Answer
    A. Y to the power of 4
    Explanation
    The given expression is a sequence of y and x repeated multiple times. The pattern suggests that every y is multiplied by x, resulting in the next y. This process is repeated four times, so the final expression is y to the power of 4.

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  • 7. 

    Write 1/8 as a Decimal

    Correct Answer
    0.125
    Explanation
    To convert a fraction to a decimal, we divide the numerator (1) by the denominator (8). In this case, 1 divided by 8 equals 0.125. Therefore, the decimal representation of 1/8 is 0.125.

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  • 8. 

    Estimate What 59.8 divided by 2.99

    • 20

    • 30

    • 25

    • 35

    Correct Answer
    A. 20
    Explanation
    To estimate 59.8 divided by 2.99, we can round both numbers to the nearest whole number. 59.8 rounds to 60, and 2.99 rounds to 3. Dividing 60 by 3 gives us 20. Therefore, the estimated answer is 20.

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  • 9. 

    36 : 9 Simlify This Down To It's Simpliest Form

    • 4

    • 4 : 1

    • 4 : 3

    • 12 : 3

    Correct Answer
    A. 4 : 1
    Explanation
    The given expression "36 : 9" can be simplified by dividing both numbers by their greatest common divisor, which is 9. Therefore, "36 : 9" simplifies to "4 : 1".

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  • 10. 

    What Is 0.2 x 0.3?

    • 0.05

    • 0.5

    • 0.6

    • 0.06

    Correct Answer
    A. 0.06
    Explanation
    The correct answer is 0.06 because when you multiply 0.2 by 0.3, you get the product of 0.06.

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  • 11. 

    0.2 + 0.5 + ... =

    Correct Answer
    0.3
    3/10
    Explanation
    The sum of the series 0.2 + 0.5 + ... is equal to 0.3 or 3/10. This can be determined by recognizing that each term in the series is increasing by 0.3, and the sum of an infinite geometric series can be calculated using the formula S = a / (1 - r), where a is the first term and r is the common ratio. In this case, a = 0.2 and r = 0.5. Plugging these values into the formula gives S = 0.2 / (1 - 0.5) = 0.2 / 0.5 = 0.4. Therefore, the sum of the series is 0.4, which is equal to 0.3 or 3/10.

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  • 12. 

    1.7 , 1.8 , 1.9 , ...Finish Off The Sequence Until You Reach A Whole Odd Number 

Quiz Review Timeline (Updated): Mar 19, 2023 +

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 06, 2010
    Quiz Created by
    27roguntimehin
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