HSF.TF.A.1 math practice. Learn by doing.

HSF.TF.A.1 practice covers understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle. Work through 8 free questions with answers and explanations, then continue in the related math games.

Grade 121 mapped skills

What it covers

Skills aligned to HSF.TF.A.1

Degree-radian conversion

Grade 1218 questions

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8 free questions · 0/0 correct

Practice playeasy

Convert $120°$ to radians.

$120° \times \dfrac{\pi}{180°} = \dfrac{2\pi}{3}$ .

Practice playeasy

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

$\dfrac{3\pi}{4} \times \dfrac{180°}{\pi} = 135°$ .

Practice playeasy

Convert $60°$ to radians.

$60° \times \dfrac{\pi}{180°} = \dfrac{\pi}{3}$ .

Practice playeasy

Convert $\dfrac{\pi}{4}$ to degrees.

$\dfrac{\pi}{4} \times \dfrac{180°}{\pi} = 45°$ .

Practice playeasy

Convert $\dfrac{\pi}{3}$ to degrees.

$\dfrac{\pi}{3} \times \dfrac{180°}{\pi} = 60°$ .

Practice playeasy

Convert $\dfrac{\pi}{6}$ to degrees.

$\dfrac{\pi}{6} \times \dfrac{180°}{\pi} = 30°$ .

Practice playeasy

Convert $\dfrac{\pi}{2}$ to degrees.

$\dfrac{\pi}{2} \times \dfrac{180°}{\pi} = 90°$ .

Practice playeasy

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

$\dfrac{2\pi}{3} \times \dfrac{180°}{\pi} = 120°$ .

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Tests that assess these skills:

ACT NC EOG/EOC NY State Math PARCC

Test reporting domains

ACT All grades: Preparing for Higher Math MAAP High School Courses: Algebra II domains Maine MTA High School (grade 10): Functions MCAP Algebra II: Functions NC EOG/EOC NC Math 3: Functions NJSLA Algebra II: Trigonometric Functions

Nearby standards

HSF.LE.A.2 HSF.TF.A.2 All Common Core standards