Similar Shapes Worksheet B Worksheets increase in difficulty

Similar Shapes – Worksheet B Worksheets increase in difficulty. IMPORTANT! This worksheet relies on accurate scales. See next slide for printing instructions.

IMPORTANT! This worksheet relies on accurate scales. When printing, ensure ‘Scale to Fit Paper’ is deselected. Click: ‘Full Page Slides’ > Deselect ‘Scale to Fit Paper’

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’.

Real-Size Similar Shapes 1 Measure the sides of each pair of shapes. Calculate the Scale of Enlargement for each pair. G C F Watch out! Some shapes aren’t similar! A H B E D K I J L M

Real-Size Similar Shapes 2 Find similar shape pairs for shapes a to e. Calculate the Scale Factor for each similar shape. Watch out! Some shapes are not similar! a b c d e

Real-Size Similar Shapes 1 Measure the sides of each pair of shapes. G C Calculate the Scale of Enlargement for each pair. F SF = 5 SF = 3 Watch out! Some shapes aren’t similar! A H SF = 4 E D Not similar B SF = 2 SF = 1. 5 Not similar SF = 3. 5 K I Not similar J SF = 6. 5 Not similar SF = 2. 5 SF = 1. 5 L M

Real-Size Similar Shapes 2 Find similar shape pairs for shapes a to e. Calculate the Scale Factor for each similar shape. Watch out! Some shapes are not similar! a SF = 1. 5 c SF = 2. 5 Not similar e SF = 1. 1 a d SF = 1. 5 Not similar b SF = 0. 5 b Not similar e SF = 2. 5 d SF = 2. 2 Not similar c Not similar d Not similar b SF = 3 Not similar e Not similar a SF = 2 c SF = 4

Real-Size Similar Shapes 1 Measure the sides of each pair of shapes. Calculate the Scale of Enlargement for each pair. G C F Watch out! Some shapes aren’t similar! A H B E D K I J L M

Real-Size Similar Shapes 2 Find similar shape pairs for shapes a to e. Calculate the Scale Factor for each similar shape. Watch out! Some shapes are not similar! a b c d e

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