Question

How can you solve 19+6 using only equations to model your thinking(Grade 2) Explain briefly

Answer 1

19+1=20

20+5=25

Explanation:

since 19 is so close to 20, we can split the 6 into two groups, leaving us with 19 + 5 + 1. add 1 to 19 to make it 20, then add 5 to 20 to get 25.