Prompts that Spark Discussion...

Triangle Lie Detector

Here is a blank picture if you’d rather create your own prompt. Number talks with @MathBeforeBed 🙂 pic.twitter.com/y9dKYXS9E6 — Grade

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Familiar Face

Count the number of shapes. Count the number of shapes by colour. Count the number of green triangles that could

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Missing Squares

This is how one student counted the squares @MathBeforeBed @catholic_hill pic.twitter.com/fZZHmJAqSg — Kirsty Chamberland (@K_Chamberland) December 7, 2017

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We Remember

Thinking from young ones: Math Talk today- Counting poppies and seeing patterns @Breslau_Rm8 Thanks @MathBeforeBed for the picture pic.twitter.com/8shjV6K5j0 —

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Many Squares

\ \ You can also sum the little squares by adding 1+3+5+7+9+11+13 ((yellow)+(blue)+(green)+(orange)+(red)+(dark blue)+(burgundy)). Since visually this forms a square

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Different Sums

\ \ The purple squares can be represented by 1+2+3+4+5+6 and can be visually seen by finding half the area

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Wooden Logs

\ \ Estimate – How many wooded logs are BEHIND the blue rectangle? How did you estimate?

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Cookie Counter

\ \ Encourage counting various types. How many cooked cookies? How many uncooked? How many rows? Columns? As always discuss

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Two Cubes

\ \ Extensions:How many more yellow squares do you need to add to the big cube to make the big

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