Triangle Lie Detector

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…

Familiar Face

Familiar Face

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

Missing Squares

Missing Squares

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

We Remember

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 —…

Many Squares

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…

Different Sums

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…

Jars & Tops

Jars & Tops

\ \ Do you see any patterns? How many tops? How many jars?

Puzzling Dimensions

Puzzling Dimensions

\ \ You can read more about trying to incorporate math into your puzzle making.\ \  

Wooden Logs

Wooden Logs

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

Cookie Counter

Cookie Counter

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

Triangle Cover

Triangle Cover

\ \ For a video version of this prompt check out the twitter feed here.

More Squares

More Squares

\ \ How did you create the red squares? Draw a diagram to show your thinking.

Two Cubes

Two Cubes

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

Purple Area or Blue Area?

Purple Area or Blue Area?

\ \ Extensions: What fraction is blue/purple? How many more blue to fill the screen? Draw your own partially-filled grid.