Year 4 Summer Block 5 Properties of Shape

Year 4 – Summer Block 5 – Properties of Shape Step 1: Identify Angles © Classroom Secrets Limited 2018

Let’s recap – What is a right angle?

What about acute and obtuse angles?

Introduction Sort the angles. Smaller than a right angle (acute) © Classroom Secrets Limited 2018 Right angle Larger than a right angle (obtuse)

Varied Fluency 1 Circle all the obtuse angles. © Classroom Secrets Limited 2018

Varied Fluency 2 Use the symbols < or > to make the statements correct. obtuse angle © Classroom Secrets Limited 2018 ° 90

Varied Fluency 2 Use the symbols < or > to make the statements correct. obtuse angle © Classroom Secrets Limited 2018 > ° 90

Varied Fluency 3 Match the angle size to the correct label. acute angle obtuse angle © Classroom Secrets Limited 2018

Varied Fluency 4 Use the line to draw an acute angle. © Classroom Secrets

Reasoning 1 Which angle is the odd one out? Explain your answer. © Classroom

Reasoning 1 Which angle is the odd one out? Explain your answer. This angle is acute while all the others are right angles. © Classroom Secrets Limited 2018

Activities for the week: 1. Ordering angles. (There are three levels of challenge here – just complete one – look at the * at the bottom of the page. You could work through these without printing the sheets out. ) 2. Varied Fluency; Identify Angles and Purple Mash activity 3. Reasoning and Problem solving; Identify Angles 4. http: //www. snappymaths. com/other/shapeandspace/an gles/interactive/acuterightobtuse. htm 5. For other themed angles challenges (including Star Wars and Minecraft), have a look at http: //www. mathematicshed. com/maths-geometryshed. html 6. Times table challenge