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Fridge Formulas = Geometry Activity for Middle School

Fridge Formulas from are short, daily activities that reinforce the skills your middle-schooler is learning in math class. By completing a daily geometry task that you have posted on the refrigerator, your child can quickly commit these Formulas to long-term memory. With Fridge Formulas, your child will see formulas and figures everyday, and you will see something even better: progress!

What You Need for Activity

·         Black marker
·         Red marker
·         Paper and pencil
·         Magnet

Starting the Fun Tips:
  • Challenge your child to “race” an older sibling. The first to post an answer to the “Fridge Formula” wins!
  • Copy each formula (in red marker) onto a 3x5 notecard. Make room on your refrigerator for each formula and leave them up for the entire quarter. Everyone might get tired of seeing them, but once the formulas come down, it will be hard to forget them!

How to Do Activity
  1. Check with your child’s math teacher to find out which formulas the class will be studying in geometry.
  2. Choose one formula. On white paper, write the formula in red marker and, in black marker, draw and label a figure.
  3. On Monday, post the “Fridge Formula” on the refrigerator and ask your child to solve it by the end of the day.
  4. Every day of the week, write the same formula, but draw a figure with different measurements. Have your child apply the formula and “post” an answer by the end of each day.
  5. The following week, choose a new formula and repeat the process.

Example of What To Do

The formula for finding the area of a rectangle is “area equals length times width” or A = L x W
Draw a rectangle and label the sides: L=6, W=2

Common middle school formulas include
  • Perimeter= L + L + W + W
  • Rectangle = L x W
  • Square = B x H
  • Triangle = ½ B x H
  • Circle = π r² (What is PI?)

This post first appeared on Organize This With Style! (aka Org This), please read the originial post: here

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Fridge Formulas = Geometry Activity for Middle School


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