1. Introduction to Subtracting Fluently within 5
Common Core Standard
K.OA5
A New Standard

2. Subtract means to take away or take a group apart.
Take 2 balls away.
How many balls do I have now?

3. I had 4 balls and I took 2 away. How many balls do I have now?
Only 2 balls are left in the group.

4. Let’s do one together. Mary had 5 shoes. She gave 2 away.

5. When we take a group apart, we say we “subtract
When we take a group apart, we say we “subtract.” We use a subtraction sign or minus sign.
Think of what you know about 5 and 2.
Take 2 away from 5. What would be left?

6. Subtract from another group.
How many are left?

7. Practice some subtraction or “take away” at home
Practice some subtraction or “take away” at home! Find groups of 2,3,4,or 5 things. Take 1 or 2 away. How many do you have left?