Eureka 2.14

Application Problem

The fifth-grade craft club is making aprons to sell. Each apron takes 1.25 yards of fabric that costs $3 per yard and 4.5 yards of trim that costs $2 per yard.

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What does it cost the club to make one apron?

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If the club wants to make $1.75 profit on each apron, how much should they charge per person?

Hmmm.... why aprons?

Poll

Agree or Disagree:

Rounding and estimating are the same thing.

• Strong Agree

• Small Agree

• Small Disagree

• Strong Disagree

What did you decide? Why?

Discuss

​What's a reasonable estimate for 43 X 2.4?

Solve on your whiteboard!

43 X 24

43 X 2.4

Compare and Contrast

43 X 24

43 X 2.4

How can we use one to solve the other?

Let's solve together.

Fill in the Blanks

Solve 3.5 X 42. Use either an area model or standard algorithm.