Using Ten Addition
The using ten addition strategy is important for mental math.
Students need to master the making ten addition strategy before they are able to successfully master this using ten addition strategy.
For addition, students need to think of numbers that add to make ten and then add the rest to get the answer.
Example – 7 + 5
- Students will think what plus 7 equals 10.
- 3 + 7 = 10
- Break apart the 5 into 3 + 2.
- Make a ten by adding 3 + 7 and then add the leftover 2.
- 7 + 5 = 12
Another Using Ten Addition Example
To solve 7 + 5, students could also make a ten using the 5.
- Think about what plus 5 equals 10.
- 5 + 5 = 10
- Break apart the 7 into 5 + 2.
- Make a ten by adding 5 + 5 and then add the leftover 2.
- 7 + 5 = 12
