Practise the method.Example 1The starting shape slides to a new position without turning or flipping. Which picture shows it?Shape movement choicesShape movement choicesStarting L-shaped figure and four labelled possible results A, B, C and D. Diagram not to scale. Use the labelled measurements.StartABCDDiagram not to scaleShow worked answerAnswer: CA slide changes position, but preserves orientation.Picture C has the same orientation.Example 2Turn the starting shape one quarter-turn clockwise. Which picture shows the result?Shape movement choicesShape movement choicesStarting L-shaped figure and four labelled possible results A, B, C and D. Diagram not to scale. Use the labelled measurements.StartABCDDiagram not to scaleShow worked answerAnswer: CA clockwise quarter-turn rotates every part by 90∘.The matching picture is C.Example 3Reflect the starting shape in a vertical mirror line. Which picture shows the result?Shape movement choicesShape movement choicesStarting L-shaped figure and four labelled possible results A, B, C and D. Diagram not to scale. Use the labelled measurements.StartABCDDiagram not to scaleShow worked answerAnswer: BA vertical mirror reverses left and right, without reversing up and down.Picture B is the reflection.