Compound Shapes – Area & Perimeter – Relay Race In this competitive activity, students work in teams to answer questions provided on small pieces of paper. Students should check their answers with the teacher (who can be anywhere in the room with their answer sheet). If students are correct they can collect the next numbered sheet (easily placed in piles face-up on a desk at the front). If students are wrong they can skip the question or be given 1 or more chances.

Printing To print handouts from slides - Select the slide from the left. Then click: File > Print > ‘Print Current Slide’ To print multiple slides - Click on a section title to highlight all those slides, or press ‘Ctrl’ at the same time as selecting slides to highlight more than one. Then click: File > Print > ‘Print Selection’ To print double-sided handouts - Highlight both slides before using ‘Print Selection’. Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

Area & Perimeter of Compound Shapes Relay Race! Area & Perimeter of Compound Shapes

1 2 3 4 What is the area and perimeter of this rectangle? 5 cm The large rectangle is made from 5 copies of the small rectangle. Find the area and perimeter of the large rectangle. Perimeter = _____ cm Area = _____ cm2 2 cm 2 cm The width of this rectangle is half its length What is the area and perimeter of the rectangle? 8 cm 8 cm Perimeter = 24 cm Area = 32 cm2 Perimeter = 36 cm Area = 80 cm2 3 Two square shapes of the same size have been cut out of the rectangle. Calculate the area of the new shape. 4 The large rectangle is made from 3 copies of a small rectangle. Find the area and perimeter of one small rectangle. Find the perimeter of the large rectangle. 10 cm Small Rectangle Perimeter = 36 cm Area = 72 cm2 CTRL-Left Click slides to select. Go to Print > ‘Print Selection’ and choose the amount of copies you need (one per team). 3 cm 6 cm 18 cm Large Rectangle Perimeter = 60 cm Area = 42 cm2

5 6 7 8 4 cm Find the area and perimeter of this compound shape. The large rectangle is made from copies of a smaller rectangle. The area of the large rectangle is 50 cm2 What is the perimeter of the large rectangle? Perimeter = 30 cm Area = 23 cm2 7 cm 3 cm 6 cm 8 cm Find the area and perimeter of this compound shape. 10 cm 2 cm 8 cm Perimeter = 64 cm Area = 120 cm2 6 cm Perimeter = 30 cm 7 Find the area and perimeter of this compound shape. 8 The compound shape is made from copies of a small rectangle. The area of the compound shape is 192 cm2 What is the perimeter of the compound shape? Perimeter = 54 cm Area = 99 cm2 3 cm 11 cm Perimeter = 76 cm 3 cm CTRL-Left Click slides to select. Go to Print > ‘Print Selection’ and choose the amount of copies you need (one per team). 3 cm 10 cm 9 cm 6 cm 7 cm 3 cm

Answer Sheet

1 2 3 4 What is the area and perimeter of this rectangle? 5 cm The large rectangle is made from 5 copies of the small rectangle. Find the area and perimeter of the large rectangle. Perimeter = 14 cm Area = 10 cm2 2 cm 2 cm The width of this rectangle is half its length What is the area and perimeter of the rectangle? 8 cm 8 cm Perimeter = 24 cm Area = 32 cm2 Perimeter = 36 cm Area = 80 cm2 3 Two square shapes of the same size have been cut out of the rectangle. Calculate the area of the new shape. 4 The large rectangle is made from 3 copies of a small rectangle. Find the area and perimeter of one small rectangle. Find the perimeter of the large rectangle. 10 cm Small Rectangle Perimeter = 36 cm Area = 72 cm2 CTRL-Left Click slides to select. Go to Print > ‘Print Selection’ and choose the amount of copies you need (one per team). 3 cm 6 cm 18 cm Large Rectangle Perimeter = 60 cm Area = 42 cm2

5 6 7 8 4 cm Find the area and perimeter of this compound shape. The large rectangle is made from copies of a smaller rectangle. The area of the large rectangle is 50 cm2 What is the perimeter of the large rectangle? Perimeter = 30 cm Area = 40 cm2 7 cm 3 cm 6 cm 8 cm Find the area and perimeter of this compound shape. 10 cm 2 cm 8 cm Perimeter = 64 cm Area = 156 cm2 6 cm Perimeter = 30 cm 7 Find the area and perimeter of this compound shape. 8 The compound shape is made from copies of a small rectangle. The area of the compound shape is 192 cm2 What is the perimeter of the compound shape? Perimeter = 54 cm Area = 99 cm2 3 cm 11 cm 1cm 3 cm2 Perimeter = 76 cm 12 cm2 3 cm CTRL-Left Click slides to select. Go to Print > ‘Print Selection’ and choose the amount of copies you need (one per team). 3 cm 10 cm 9 cm 42 cm2 1cm 42 cm2 6 cm 7 cm 3 cm 7 cm

tom@goteachmaths.co.uk Questions? Comments? Suggestions? …or have you found a mistake!? Any feedback would be appreciated . Please feel free to email: tom@goteachmaths.co.uk