Tag Archives: geometry

162 – Five Triangles problems

We did these 2 problems from Five Triangles mathematics.

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161 – parallelogram and more solitaire

My geometry kids are working on this problem from Five Triangles mathematics: My algebra kids too loved this game Solitaire on a Circle.

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152 – geometric transformations

My geometry students are working on this geometric transformations workout #1-#9. Good stuff. (I got this from one of our UCSB Common Core Math Project workshops.) The 6th graders continued with Designing Buildings.

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151 – designing buildings

Fantastic lesson every time. I wrote it up here.

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150 – maximizing volume

A shorter version (no popcorn) of this lesson from last year.

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149 – similar triangles, continued

Day 2 where students were given another classmate’s paper to work with.

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134 – basketball IQ and 9-point circle

My 6th graders are working on percentages and “Basketball IQ” from Mathalicious is a slam dunk lesson for this. It’s just more fun to watch clips of real basketball games and calculate the NBA and WNBA players’ shooting percentages. My geometry kids worked constructed the 9-point circle. They followed my instructions to construct and locate […]

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132 – circles galore

I absolutely loved this lesson last year and wrote about it. It went well again this year! Some of the kids saw the pattern right away but are finding it challenging to find the nth stage.

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130 – finishing up the tethered dog problem

We started this on Day 128. A student is explaining how his group solved the problem.

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128 – the tethered dog problem

I got this problem from Five Triangles mathematics. One group may have the solution, but the rest are still struggling. The group that may have the solution is now drawing this problem on GSP.

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