Answer:
What facts are given? 3 balls of yarn,1/4 of a ball for each hat.
________________________________
What mathematical sentence is applicable to the problem? 3÷1/4=
__________________________________
Show your solution with complete label/unit
3÷1/4=12
3/1÷1/4
3× 4
1 × 1
=12/1
=12
ANSWER: Ivan can make 12 hats.
