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Poland · Klasa 7 · Practice Sheet 15

Sheet code: POLAND-G7-S15 · 20 questions

Name: ______________
Date: ______________
  1. 1.

    A train moves at 98 km/h for 1.9 hours. How far does it travel?

    Formula:Distance from Speed & Time
    d=v×td = v \times t
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  2. 2.

    A circle has a radius of 10 cm. Find its area. (Use π ≈ 3.14159)

    Formula:Area of a Circle
    A=πr2A = \pi r^2
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  3. 3.

    A car travels 282 km in 6 hours. Find its average speed.

    Formula:Speed
    v=dtv = \dfrac{d}{t}
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  4. 4.

    A value changes from 80 to 206. Find the percentage change (to 2 d.p.).

    Formula:Percentage Change
    % change=new−oldold×100\%\,\text{change} = \dfrac{\text{new} - \text{old}}{\text{old}} \times 100
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  5. 5.

    zł 4,400 is invested at 4% simple interest per year for 4 years. Find the interest earned.

    Formula:Simple Interest
    I=P×r×t100I = \dfrac{P \times r \times t}{100}
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  6. 6.

    Find 1/2 of 36.

    Formula:Fraction of a Quantity
    result=ab×N\text{result} = \dfrac{a}{b} \times N
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  7. 7.

    A right-angled triangle has legs of 3 cm and 9 cm. Find the length of the hypotenuse.

    Formula:Pythagorean Theorem
    c=a2+b2c = \sqrt{a^2 + b^2}
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  8. 8.

    Find the perimeter of a rectangle measuring 31 m by 4 m.

    Formula:Perimeter of a Rectangle
    P=2(l+w)P = 2(l + w)
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  9. 9.

    One item costs zł 22.08. Find the total cost of 8 items.

    Formula:Total Cost
    total=price×quantity\text{total} = \text{price} \times \text{quantity}
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  10. 10.

    Find the perimeter of a rectangle measuring 33 m by 5 m.

    Formula:Perimeter of a Rectangle
    P=2(l+w)P = 2(l + w)
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  11. 11.

    What is 20% of 440?

    Formula:Percentage of a Quantity
    result=p100×N\text{result} = \dfrac{p}{100} \times N
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  12. 12.

    A right-angled triangle has legs of 19 cm and 8 cm. Find the length of the hypotenuse.

    Formula:Pythagorean Theorem
    c=a2+b2c = \sqrt{a^2 + b^2}
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  13. 13.

    A value changes from 160 to 248. Find the percentage change (to 2 d.p.).

    Formula:Percentage Change
    % change=new−oldold×100\%\,\text{change} = \dfrac{\text{new} - \text{old}}{\text{old}} \times 100
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  14. 14.

    A train moves at 71 km/h for 5.5 hours. How far does it travel?

    Formula:Distance from Speed & Time
    d=v×td = v \times t
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  15. 15.

    A bag has 11 equally likely marbles, of which 2 are red. Find the probability of drawing a red marble (to 3 d.p.).

    Formula:Simple Probability
    P(E)=favourabletotalP(E) = \dfrac{\text{favourable}}{\text{total}}
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  16. 16.

    Solve for x: 6x + 17 = 47.

    Formula:Solving a Linear Equation
    x=c−bax = \dfrac{c - b}{a}
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  17. 17.

    A car travels 378 km in 7 hours. Find its average speed.

    Formula:Speed
    v=dtv = \dfrac{d}{t}
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  18. 18.

    Solve for x: 5x + 15 = 70.

    Formula:Solving a Linear Equation
    x=c−bax = \dfrac{c - b}{a}
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  19. 19.

    A rectangle is 15 cm long and 12 cm wide. Find its area.

    Formula:Area of a Rectangle
    A=l×wA = l \times w
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  20. 20.

    Find the perimeter of a rectangle measuring 31 m by 25 m.

    Formula:Perimeter of a Rectangle
    P=2(l+w)P = 2(l + w)
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