1. Two-Digit Addition Using Expanded Notation to Add
Super Strategies
Two-Digit Addition
Using Expanded Notation to Add
Krista Titchener- Fisher Elementary

2. You can add two-digit numbers by using expanded notation!
25 +37= ___
Go to the next page to see how to solve it using expanded notation!

3. Break the numbers up in tens and ones using expanded notation
Break the numbers up in tens and ones using expanded notation is the same as….
1. Add the tens
2. Then add the ones
3. Now add both numbers together! 50 12 +
= 62

4. Now it’s your turn to try it!
Get your dry erase boards ready. Here we go!

5. Write this number sentence at the top of your dry erase board:
44 +26= ___
Go to the next page to see how to solve it using expanded notation!

6. Break the numbers up in tens and ones using expanded notation
Break the numbers up in tens and ones using expanded notation is the same as….
1. Add the tens
2. Then add the ones
3. Now add both numbers together! 60 10 +
= 70

7. Go to the next page to see how to solve it using expanded notation!
Let’s try another one! Write this number sentence at the top of your dry erase board:
16 +78= ___
Go to the next page to see how to solve it using expanded notation!

8. Break the numbers up in tens and ones using expanded notation
Break the numbers up in tens and ones using expanded notation is the same as….
1. Add the tens
2. Then add the ones
3. Now add both numbers together! 80 14 +
= 94

9. Go to the next page to see how to solve it using expanded notation!
Let’s try another one! Write this number sentence at the top of your dry erase board:
63 +19= ___
Go to the next page to see how to solve it using expanded notation!

10. Break the numbers up in tens and ones using expanded notation
Break the numbers up in tens and ones using expanded notation is the same as….
1. Add the tens
2. Then add the ones
3. Now add both numbers together! 70 12 +
= 82

11. Go to the next page to see how to solve it using expanded notation!
Let’s try another one! Write this number sentence at the top of your dry erase board:
17 +18= ___
Go to the next page to see how to solve it using expanded notation!

12. Break the numbers up in tens and ones using expanded notation
Break the numbers up in tens and ones using expanded notation is the same as….
1. Add the tens
2. Then add the ones
3. Now add both numbers together! 20 15 +
= 35

13. Go to the next page to see how to solve it using expanded notation!
Let’s try another one! Write this number sentence at the top of your dry erase board:
62 +29= ___
Go to the next page to see how to solve it using expanded notation!

14. Break the numbers up in tens and ones using expanded notation
Break the numbers up in tens and ones using expanded notation is the same as….
1. Add the tens
2. Then add the ones
3. Now add both numbers together! 80 11 +
= 91

15. Go to the next page to see how to solve it using expanded notation!
Let’s try another one! Write this number sentence at the top of your dry erase board:
48 +33= ___
Go to the next page to see how to solve it using expanded notation!

16. Break the numbers up in tens and ones using expanded notation
Break the numbers up in tens and ones using expanded notation is the same as….
1. Add the tens
2. Then add the ones
3. Now add both numbers together! 70 11 +
= 81

17. You did a great job! Way to go!