Sammi Chow's answer to crystal's Primary 4 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Sammi Chow
Sammi Chow's answer
2 answers (Tutor Details)
1st
Drawing a model helps you to see how many units are there for the difference of items they have.
crystal
Crystal
1 year ago
:))