1. Addition Strategies
By Mrs Oste

2. This is an addition sentence. It has parts you need to learn.=
addend + addend = sum
Cutie puppy wants you to remember this!

3. Addend + addend = the sum
Can you remember that?
Got that?
Addend + addend = the sum

4. Here’s an addition sentence.
3 + 2 = 5

5. 3+2=5 Remember that. Now watch this!
What is 2+3=?
2 + 3= 5
3+2 =5 and 2+3=5 The sum is the same.

6. Look again at the two problems.
I get it!
3+2= =5
The addends are the same, so the sum is the same.

7. This is called “reversing the addends.” It helps you add more quickly!
5+3=8 What is 3+5= ?
4+2 =6 What is 2+4= ?
10+3= 13 What is 3+10=?
So easy!

8. It’s a great idea to memorize your “doubles.”
Doubles are addition sentences where the addends are the same.
1+1= =12
2+2 = =14
3+3= =16
4+4= =18
5+5= =20

9. Sometimes a problem is close to a double. That’s called a near double.
4+5=
4+5 is only 1 more than =9

10. The Make Ten Strategy