lesson

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Imagine you have one giant, round cookie to share fairly with your best friend.
If you slice it right down the middle, you both get the exact same amount.
What special math word do we use for these equal pieces?
Making Halves
When you split a whole shape into two equal parts, each part is called one half.
πInteractive diagram
Both pieces are identical in size, so together they make two halves.
Does your cut always have to go straight up and down?
Different Ways to Cut Halves
You can cut a circle vertically, horizontally, or tilted sideways β as long as your line goes straight through the center.
πInteractive diagram
No matter which direction you slice, each side is still exactly half of the circle.
What happens if your cut misses the center point?