This quiz tests 4th graders on basic arithmetic, geometry, fractions, percentages, and understanding of prime numbers.
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1 What is 45 + 36?
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71
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81
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79
Correct!Wrong! -
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2 What is 672 - 249?
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413
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423
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433
Correct!Wrong! -
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3 Multiply: 12 x 8
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86
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88
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96
Correct!Wrong! -
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4 What is the perimeter of a rectangle with a length of 8 cm and a width of 5 cm?
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26 cm
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24 cm
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28 cm
Correct!Wrong!The perimeter of a rectangle is calculated by adding together the lengths of all four sides: 2 × ( 8 + 5 ) = 26 2×(8+5)=26 cm.
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5 Divide: 56 ÷ 7
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6
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7
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8
Correct!Wrong! -
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6 Which of the following fractions is equivalent to 1/2?
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2/4
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3/4
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4/5
Correct!Wrong!When you simplify 2/4, you get 1/2, which makes these fractions equivalent.
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7 What is 25% of 200?
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25
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50
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75
Correct!Wrong!25% of a number is equivalent to one-fourth of that number. 2004=50frac{200}{4} = 504200=50.
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8 Which number is a prime number?
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12
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15
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17
Correct!Wrong!A prime number is a number greater than 1 that has no positive divisors other than 1 and itself. 17 is a prime number.
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9 What is the area of a square with a side length of 9 cm?
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72 cm²
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81 cm²
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90 cm²
Correct!Wrong!The area of a square is calculated by multiplying the length of one side by itself: 9×9=819 times 9 = 819×9=81 cm².
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10 If a train travels at a speed of 60 miles per hour, how far will it travel in 3 hours?
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120 miles
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150 miles
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180 miles
Correct!Wrong!To find the distance, multiply the speed by the time: 60×3=18060 times 3 = 18060×3=180 miles.
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