Today I made our go to snack…..peanut butter bites. My kids eat these up like crazy. I turned the making into a math task.

Act 1:

Ask for what they notice and what they wonder?

The intended question here is: How many energy bites will be made?

Have them guess. Too high…too low….best guess.

Ask for what information we would need.

Act 2:

They may notice that the ball is not quite lined up right. How will the adjust?

and

Is the bite a perfect sphere? Will a sphere be good enough? Give them the volume of a sphere formula. Let them work.

You students may notice the dimensions of the bowl…..or also may notice that its filled up to the 500ml mark. An interesting task will be to calculate the number of bites using either the volume using the dimensions or the volume using the measuring cup.

Act 3: The reveal

Possible sequel question:

What would be the diameter of the giant Peanut Butter Ball if all 22 were mashed together?

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And now for the recipe….as requested by Meg Craig!

Link

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