Doing · Body and hands
20 min · pencil, ruler or tape measure
★☆☆
Measure your home
Scan for the app
Guess first, then measure. How good are your eyes?
- Write your guess in cm.
- Measure and write the real size.
- Circle your closest guess.
| Find and measure | My guess | Real size |
|---|
| The length of your bed | | |
| The width of a door | | |
| Your foot | | |
| The highest you can reach | | |
| Something exactly 10 cm long | | |
| Your longest jump | | |
Grown-up corner
Why it matters: Guessing then checking trains estimation, and moving around the house makes math physical.
- Did your guesses get better as you went?
- What could you use to measure if you had no ruler?
Extend it: Measure the same things in hand spans or foot lengths and compare.
My brain felt: ☐ easy ☐ just right ☐ stretchy
One thing I learned: ________________________
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