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Bot GPT 4-o mini Identifying Strategies for Multi-Digit Addition
**Strategy # 1: Counting up**
27 + 4 = **31**
Counting up is useful when one of the numbers that you want to add is small, like 4.
**Using 100 as an Anchor for addition**
**Strategy #2: Using **100** as an Anchor**
The Spanish club is planning a weekend trip. Each student will need to pay $36 for transportation and $98 for food and lodging. What is the total cost per student?
36
+ 98
------
**Estimate**
+ 100
--------
**140**
Write the problem horizontally.
36 + 98
98 is close to 100. Find a way to make 100.
Break 36 into 34 + 2.
34 + **2 + 98**
34 + 100 = **134**
Therefore, the total cost per student is **$134**.