Puzzle
Geometry & measuresPuzzle
Four Fours:Midpoint of a line segment
Sixteen pairs of points sorted by their midpoint. The four midpoints are (3, 4), (4, 3), (−3, 4) and (3, 4.5), so swapping the coordinates, losing a negative or rounding a half all land in another group. Two per A4.
A free key stage 3 and GCSE geometry and measures puzzle with answers, spec code G11. It goes with the lesson on midpoint of a line segment.
Lesson
Midpoint of a line segment
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