Puzzle
AlgebraPuzzle
Mystery picture:Straight lines
Sixteen parts of straight lines, each drawn between two given values: gradients from −3 to 3, ½ and −½ among them, and lines parallel to the axes. Work out the two end points, join them and the lines make a picture.
A free key stage 3 and GCSE algebra puzzle with answers, spec code A9. It goes with the lesson on plotting straight-line graphs.
Lesson
Plotting straight-line graphs
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