Estimation with Scale Drawings Worksheet

1. Estimation – Scale Drawings – Worksheet Worksheets increase in difficulty and are in two sizes.

2. 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’.

3. 1. Estimation With Scale Drawings Compare the pairs of objects. Can you estimate the length of each arrow? b) ______ a) ______ 2 m 80 m 1 m c) ______ e) ______ 1.5 m 1.2 m d) ______ 4.5 m h) ______ f) _____ 1.3 m 16 m g) ______ k) ______ 7 m Average teenager i) ______ j) ______ Now use a ruler to make accuratemeasurements and check your estimates!

4. 1. Estimation With Scale Drawings Compare the pairs of objects. Can you estimate the length of each arrow? How close were you? b) 5 m a) 4 m 2 m 80 m 1 m c) 30 m e) 3.6 m 1.5 m 1.2 m d) 3 m 4.5 m f) 1.5 m h) 3.5 m 1.3 m 16 m g) 5 m k) 16 m 7 m Average teenager i) 4.5 m j) 14 m Now use a ruler to make accuratemeasurements and check your estimates! 160cm

5. 2. Estimation With Scale Drawings Compare the pairs of objects. Can you estimate the length of each arrow? How close were you? b) 4.5 m a) 6 m 1.8 m 120 m 1.5 m c) 45 m e) 3.9 m 2.2 m 130 cm d) 4.4 m 2.2 m f) 75 cm h) 4.8 m 1.8 m 27 m g) 9m k) 31 m 13.5 m Average adult i) 5 m j) 27 m Now use a ruler to make accuratemeasurements and check your estimates! 180cm

6. 1. 1. Estimation With Scale Drawings Estimation With Scale Drawings Compare the pairs of objects. Can you estimate the length of each arrow? Compare the pairs of objects. Can you estimate the length of each arrow? b) ______ b) ______ a) ______ a) ______ 2 m 2 m 80 m 80 m 1 m 1 m c) ______ c) ______ e) ______ e) ______ 1.5 m 1.5 m 1.2 m 1.2 m d) ______ d) ______ 4.5 m 4.5 m h) ______ h) ______ f) _____ f) _____ 1.3 m 1.3 m 16 m 16 m g) ______ g) ______ k) ______ k) ______ 7 m 7 m Average teenager Average teenager i) ______ i) ______ j) ______ j) ______ Now use a ruler to make accuratemeasurements and check your estimates! Now use a ruler to make accuratemeasurements and check your estimates!

8. 2. 2. Estimation With Scale Drawings Estimation With Scale Drawings Compare the pairs of objects. Can you estimate the length of each arrow? Compare the pairs of objects. Can you estimate the length of each arrow? b) ______ b) ______ a) ______ a) ______ 1.8 m 1.8 m 120 m 120 m 1.5 m 1.5 m c) ______ c) ______ e) ______ e) ______ 2.2 m 2.2 m 130 cm 130 cm d) ______ d) ______ 2.2 m 2.2 m f) _____ f) _____ h) ______ h) ______ 1.8 m 1.8 m 27 m 27 m g) ______ g) ______ k) ______ k) ______ 13.5 m 13.5 m Average adult Average adult i) ______ i) ______ j) ______ j) ______ Now use a ruler to make accuratemeasurements and check your estimates! Now use a ruler to make accuratemeasurements and check your estimates!

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