2 Starter Questions www.mathsrevision.com Q1. Calculate MTH 2-19aMTH 3-19aQ1. CalculateQ2. If 1 bar of chocolate costs 65p. How much will1000 bars cost. Give your answer in £’s.Q3. Round to 1 decimal placeQ4. Convert to 24 hrs clock
3 Line Symmetry www.mathsrevision.com Learning Intention MTH 2-19aMTH 3-19aLearning IntentionSuccess CriteriaTo revise line symmetry.Understand the term line symmetry.Complete Drawings given the line of symmetry.
4 Line Symmetry www.mathsrevision.com MTH 2-19aMTH 3-19aA line symmetry occurs in a shape if, when the shape is folded over the line the two pieces either side of the line, are exactly the same.
16 Starter Questions www.mathsrevision.com MTH 2-19aMTH 3-19aQ1. Round the following to the first decimal place.(a) (b)Q2. What fraction is the green area.What fraction is the grey area.Q3. A pencil costs 22p. How much doesa 1000 cost. Put your answer in £’s.
17 Rotational Symmetry www.mathsrevision.com Learning Intention MTH 2-19aMTH 3-19aLearning IntentionSuccess CriteriaWe are learning what rotational symmetry is for a shape.Understand the terms rotational symmetry.
18 Rotational Symmetry www.mathsrevision.com MTH 2-19aMTH 3-19a1. Draw this shape into your jotter.2. Use the tracing paper to make a copy of this shape.3. Turn the tracing paper through 180 degrees about the dot.This new shape has HALF - TURN symmetryThis dot is called the centre of symmetry
19 Rotation Symmetry Half Turn MTH 2-19aMTH 3-19aAll these shapes have order 2
20 Rotation Symmetry Order MTH 2-19aMTH 3-19aThe order of symmetry is the number of times a shapelooks the same in one complete turn.Has order 2Has order 3Has order 4
22 Starter Questions www.mathsrevision.com Q1. Calculate MTH 2-19aMTH 3-19aQ1. CalculateQ2. What is the time difference between8.15am and 1:00pmP=20cmQ3.A=25cm25cmQ4. Find the perimeter and area of the square.Q5. Find the order of rotational symmetryfor the shape opposite.561432
23 Creating Half-Turn Symmetry MTH 2-19aMTH 3-19aLearning IntentionSuccess CriteriaWe are learning how we can create half-turn symmetry for a shape.Understand the terms half-turn symmetry.Draw the other half of a shape such that it has half-turn symmetry.
24 Creating Half-Turn Symmetry MTH 2-19aMTH 3-19aTask 1Draw the complete shape you getafter it has been rotatedthrough 180 degrees about the point.Task 2Do the same for this shape
25 Creating Half-Turn Symmetry MTH 2-19aMTH 3-19aTask 3Do the same for this shapeIf you find it difficult to work out the new shape1. Try tracing the shape first2. Then rotate tracing paper 180 deg about the point.
27 Starter Questions www.mathsrevision.com Q1. Calculate MTH 2-19aMTH 3-19aQ1. CalculateQ2. What is the time difference between8.15am and 1:00pmQ3.Q4. (-2) + (-3)Q5. How many lines of symmetry doesregular hexagon have.
28 Translational (slide) Symmetry MTH 2-19aMTH 3-19aLearning IntentionSuccess CriteriaWe are learning the meaning of Translational (slide) symmetry using tile patterns.Understand the terms translational, slide congruent and tile.Identify shapes that tile.Construct a tile patternfor shapes.
29 Translational (slide) Symmetry MTH 2-19aMTH 3-19aExactlythe same shape and size !A shape that tiles can be completelysurrounded by congruent shapesWITHOUT leaving any gaps.
30 Translational (slide) Symmetry MTH 2-19aMTH 3-19aIs this a tile pattern ?No because there are gaps
31 Translational (slide) Symmetry MTH 2-19aMTH 3-19aWrite down as many tile patterns as you canthat you see every day.
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