Degree-radian conversion. Game on.

Degree-radian conversion is a grade 12 math skill aligned to Common Core standard HSF.TF.A.1: understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle. Below are 8 practice questions with answers and step-by-step explanations, drawn from the 18 degree-radian conversion problems our math games drill.

CCSS HSF.TF.A.118 questions in the bank
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Warm-upeasy

Convert 120°120° to radians.

120°×π180°=2π3120° \times \dfrac{\pi}{180°} = \dfrac{2\pi}{3}.

Mid-gameeasy

Convert 3π4\dfrac{3\pi}{4} to degrees.

3π4×180°π=135°\dfrac{3\pi}{4} \times \dfrac{180°}{\pi} = 135°.

Mid-gameeasy

Convert 60°60° to radians.

60°×π180°=π360° \times \dfrac{\pi}{180°} = \dfrac{\pi}{3}.

Mid-gameeasy

Convert π4\dfrac{\pi}{4} to degrees.

π4×180°π=45°\dfrac{\pi}{4} \times \dfrac{180°}{\pi} = 45°.

Mid-gameeasy

Convert π3\dfrac{\pi}{3} to degrees.

π3×180°π=60°\dfrac{\pi}{3} \times \dfrac{180°}{\pi} = 60°.

Mid-gameeasy

Convert π6\dfrac{\pi}{6} to degrees.

π6×180°π=30°\dfrac{\pi}{6} \times \dfrac{180°}{\pi} = 30°.

Mid-gameeasy

Convert π2\dfrac{\pi}{2} to degrees.

π2×180°π=90°\dfrac{\pi}{2} \times \dfrac{180°}{\pi} = 90°.

Buzzer beatereasy

Convert 2π3\dfrac{2\pi}{3} to degrees.

2π3×180°π=120°\dfrac{2\pi}{3} \times \dfrac{180°}{\pi} = 120°.

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