Cool math 4 kids .com - How Subtraction Works (A subtraction lesson for beginners and parents)

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How Subtraction Works
A beginning subtraction lesson using sets for kids and parents to work
through together (page 1 of 3)

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This is the very beginning of understanding how subtraction works.

Let's look at this set:

5 triangles

Count how many triangles
are in this set... There are 5!

Now, take two triangles away...

5 triangles with 2 being taken out


Count how many triangles are left in the set... There are 3 left!

So, 5-2=3

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