About this preparation
Math problem, Grade 2: Subtraction. Step-by-step hints, a full solution and the answer. Duration: 55 min.
Problem statement
Hints for explaining
Reveal hints gradually — first let the child think on their own.
Hint 1
Break 19 into 10 and 9.
Hint 2
Subtract 10 from 47 first.
Hint 3
Then subtract 9 from the result.
Step-by-step solution
47 - 19 = 47 - 10 - 9 = 37 - 9 = 28. So, the answer is 28.

