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Test yourself on 5th grade math with AI-generated multiple-choice questions, answers, and explanations.
Because 12 is the smallest number that both 4 and 6 can divide into without leaving a remainder.
Because the perimeter of a rectangle is calculated by adding the lengths of all four sides, which is done using the formula P = 2(length + width). Here, P = 2(12 + 9) = 2(21) = 42.
Red marbles make up one-quarter of the total, which is a common simple fraction used to represent equivalent parts of a whole in everyday measurement.
125 is a perfect cube, which means it is the cube of an integer—in this case, 5—highlighting its significance in basic geometric and algebraic calculations. Cubing a number involves multiplying it by itself three times, a concept dating back to ancient civilizations like the Babylonians.
Because Tom starts with 3 apples, buys 7 (3 + 7 = 10), and then gives away 5, leaving him with 10 - 5 = 5 apples.
Because the area of a triangle is calculated using the formula \( \text{Area} = \frac{1}{2} \times \text{base} \times \text{height} \). Here, \( \frac{1}{2} \times 8 \, \text{cm} \times 5 \, \text{cm} = 20 \, \text{cm}^2 \).