Grade 5Mathpractice16 questions

Measuring angles

Grade 5: acute, obtuse and reflex angles, angles in degrees, angles on a straight line = 180 degrees, angles around a point = 360 degrees, estimate an angle.

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Free to play. Teams answer on one screen; your phone is the remote. No student devices.

Questions

  1. An angle of 40° is which type of angle?

    • Acute
    • Obtuse
    • Reflex
    • Right
    Show answerAcute

  2. Which type of angle is bigger than 90° but smaller than 180°?

    • Acute
    • Obtuse
    • Reflex
    • Right
    Show answerObtuse

  3. A reflex angle is bigger than 180°. (True or false?)

    Show answerTrue

  4. Which angle is reflex?

    • 120°
    • 250°
    • 45°
    • 90°
    Show answer250°

  5. What tool do we use to measure an angle in degrees?

    • A calculator
    • A compass
    • A protractor
    • A ruler
    Show answerA protractor

  6. How many degrees are in a right angle?

    • 100°
    • 180°
    • 45°
    • 90°
    Show answer90°

  7. Two angles sit on a straight line. One is 70°. What is the other?

    • 110°
    • 20°
    • 290°
    • 90°
    Show answer110°

  8. Angles on a straight line add up to how many degrees? (Answer out loud)

    Show answer180°

  9. Angles on a straight line are 130° and 60°, so they fill the line exactly. (True or false?)

    Show answerFalse

  10. Angles around a point add up to how many degrees?

    • 180°
    • 270°
    • 360°
    • 90°
    Show answer360°

  11. Three angles around a point are 100°, 120° and 90°. What is the fourth angle? (Answer out loud)

    Show answer50°

  12. Two angles around a point: one is 215°. What is the other?

    • 135°
    • 145°
    • 155°
    • 215°
    Show answer145°

  13. Which is the best estimate for an angle half the size of a right angle?

    • 135°
    • 20°
    • 45°
    • 90°
    Show answer45°

  14. An angle that looks a little bigger than a right angle could be about 100°. (True or false?)

    Show answerTrue

  15. The hands of a clock at 3 o'clock make about which angle?

    • 180°
    • 30°
    • 60°
    • 90°
    Show answer90°

  16. Estimate: an angle is about two right angles together. How many degrees? (Answer out loud)

    Show answerAbout 180°

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Tile GrabAnswer right to flip a tile. Points, stars, bombs and magnets that steal points.Dare BoardPick a tile first: 1 to 5 points, and the higher the tile, the harder the question. One tile is a Double dare!Prize ClimbAnswer right to climb ten prize steps, then bank your stars or climb on. Three lifelines help.Ring the BellEvery team answers every question. A miss costs a heart; the last team standing rings the bell.

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