6. Multiplication and division
6.10 Story problems with mixed operations
Lesson
Are you ready?
Let's try this problem to practice reading a story problem and then writing the number sentence that we would use to solve it.
Gwen has $30$30 chocolates to give out to $10$10 guests at his birthday party and wants to make sure each guest gets the same amount.
Write a number sentence for this story problem to find how much each guest would get.
Learn
Sometimes we need more than one step to solve a number problem, so it helps to look at how to work through each step.
Apply
question 1
Jack has $25$25cm of ribbon, which he cuts into $5$5 equal pieces.
He then selects one of these pieces, and cuts $1$1cm off it.
How long is this piece of ribbon now?
Remember!
- Mathematical problems can be represented with words, pictures and symbols.
- If our problem has equal groups and we need to find a total, we use multiplication.
- If we have to share our total into equal groups, we use division.