Maths Workout Year 6 Shape Week 1 Deepening

Maths Workout Year 6 – Shape Week 1 ©Deepening Understanding LTD 2020

True or False? 45˚ 117˚ 90˚ 198˚ Four One Which of these angles are acute? How many right angles do these shapes have in total? An obtuse angle measures between 90 and 180 degrees. Two Anita thinks this angle measures 50˚. Thre e There are _____˚ on a straight line. Monday Five Complete the stem sentence. Do you agree with her? Explain your reasoning. ©Deepening Understanding LTD 2020

Four One Two 45˚ 10 Thre e Five There are 180˚ on a straight line. Monday Answers False, an obtuse angle measures between 91 and 179 degrees. D – I do not agree with Anita. A – The angle does not measure 50˚. B – Anita is reading the wrong scale. Her bottom line is at 0˚ on the bottom scale so she needs to read the measurement on the bottom scale for her other line. The angle measures 130˚. ©Deepening Understanding LTD 2020

Complete the stem sentence. A B C Four One Which angle measures 70˚? Draw a line which measures 35 mm. Advise Alfie how to calculate the size of the missing angle. Tuesday Five Two Thre e NOW… draw a 4 cm 5 mm line that meets your 35 mm line at a right angle. A regular shape has ______ sides and angles. ? 45˚ ©Deepening Understanding LTD 2020

Tuesday Answers Four 180 – 45 = 135 so the missing angle must measure 135 degrees. Five Any 4. 5 cm line drawn accurately which meets the first line at a 90 degree angle. A regular shape has equal sides and angles. The angles on a straight line total 180 degrees. Any 35 mm line drawn accurately. Thre e Two One C ©Deepening Understanding LTD 2020

True or False? Four One Name and draw three regular 2 D polygons. A circle has no sides. Millie thinks this net could be used to create a pyramid. Name and draw a shape with two obtuse angles and two acute angles. Wednesday Five Thre e Two This shape is an ________. Is she correct? Convince me! ©Deepening Understanding LTD 2020

Four This shape is an irregular pentagon. Any shape with two obtuse and two acute angles e. g. trapezium… Wednesday Answers Five Thre e Two One Answers will vary e. g. square, equilateral triangle, hexagon. False, a circle has one curved side. D – Millie is not correct. A – The net could not be used to create a pyramid. B – The net could be used to create a triangular base and two sides but she needs an extra triangle to make a complete pyramid ©Deepening Understanding LTD 2020

Always, Sometimes or Never? Four A full turn is ______ degrees. Draw an angle which is approximately 160 degrees. Now… use a protractor to check your estimate! What time will it be when the minute hand has made a three-quarter turn? Thursday A rectangle is a regular polygon. Which is the odd one out? Five Thre e Two One Complete the stem sentence. 106˚ 85˚ 97˚ 134˚ Convince me! ©Deepening Understanding LTD 2020

Four Accept angles between 150 and 170 degrees. Children to check their own angles using protractor. 5 to 8 or 7: 55 Thursday Answers D – There is an odd one out. A – 85˚ is the odd one out. B – It is the only acute angle. All of the others are obtuse. Five Thre e Two One A full turn is 360 degrees. Sometimes. A rectangle is not regular because its sides are not equal, but a square is a type of rectangle which is regular.

Calculate the missing angle. Three of the angles around a point measure 16˚, 39˚ and 107˚. What is the sum of the remaining angles? Darcey drew a 8. 5 cm line. ? 42˚ What time will it be when the minute hand has made a half turn? Friday Four There are ______ millimetres in 10½ centimetres. Caleb drew a 58 mm line. 62˚ Jerry drew a line which was bigger than Caleb’s but smaller than Darcey’s. Five Thre e Two One Complete the stem sentence. Draw the line that Jerry could have drawn. ©Deepening Understanding LTD 2020

Four 76 degrees 25 past 5 or 5: 25 Friday Answers 198 degrees Any line accurately drawn between 59 mm (5 cm 9 mm) and 84 mm (8 cm 4 mm). Five One Two Thre e There are 105 millimetres in 10½ centimetres.