Progression in Mastery Year 5 Measuring Angles in

Let’s do this! Order the angles from smallest to greatest. A B ©Deepening Understanding

Let’s revisit what we should know… An angle is a measure of turn. We

Let’s learn An obtuse angle is greater than _____ ˚ but less than _____

Let’s learn We can discuss angles in terms of turns. A quarter turn is

Let’s learn We can discuss angles in terms of turns. A half turn is

Let’s learn We can discuss angles in terms of turns. A three-quarter turn is

Let’s learn We can discuss angles in terms of turns. A full turn is

Let’s talk Estimate the measurements of each angle… Explain your estimates to a partner.

Let’s develop our learning Millie estimates the angle measures 90˚. Explain the error that

Independent Task Let’s showcase our learning ©Deepening Understanding LTD 2020

Exit task – Dong Nao Jin Millie started her homework at 3 o’clock. By

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Progression in Mastery Year 5 Measuring Angles in Degrees Get ready to measure angles in degrees! ©Deepening Understanding LTD 2020

Let’s do this! Order the angles from smallest to greatest. A B ©Deepening Understanding LTD 2020 C D

Let’s revisit what we should know… An angle is a measure of turn. We measure angles in degrees (˚). An acute angle measures less than _____ ˚. A right angle measures _____ ˚. ©Deepening Understanding LTD 2020 An obtuse angle measures greater than _____ ˚.

Let’s learn An obtuse angle is greater than _____ ˚ but less than _____ ˚. A reflex angle is greater than _____ ˚ but less than _____ ˚. We I all say it!it!it! You say ©Deepening Understanding LTD 2020

Let’s learn We can discuss angles in terms of turns. A quarter turn is _____ ˚. We I all say it!it!it! You say ©Deepening Understanding LTD 2020

Let’s learn We can discuss angles in terms of turns. A half turn is _____ ˚. We I all say it!it!it! You say ©Deepening Understanding LTD 2020

Let’s learn We can discuss angles in terms of turns. A three-quarter turn is _____ ˚. We I all say it!it!it! You say ©Deepening Understanding LTD 2020

Let’s learn We can discuss angles in terms of turns. A full turn is _____ ˚. We I all say it!it!it! You say ©Deepening Understanding LTD 2020

Let’s talk Estimate the measurements of each angle… Explain your estimates to a partner. ©Deepening Understanding LTD 2020

Let’s develop our learning Millie estimates the angle measures 90˚. Explain the error that she has made. ©Deepening Understanding LTD 2020

Exit task – Dong Nao Jin Millie started her homework at 3 o’clock. By the time she had finished, the hands on the clock made a reflex angle. What time could she have finished her homework? How many possibilities can you find? ©Deepening Understanding LTD 2020