🔢 Mathematics · Geometry
Parts of a circle
Illustrate and name parts of circles, including radius, diameter, and circumference; know that the diameter is twice the radius
Typical age: 10–11 years
“If you give your child a round plate and a ruler, can they measure the diameter — and explain how the radius compares to the diameter?”
0 / 3 mastered
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Needs first
Nothing — this is a great starting point!