Questions

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41 P5.RA.JM.17083113

Level 3
The figure shows a rectangular piece of paper. It is cut into 3 parts, X, Y and Z. Find the ratio of the area of the rectangular piece of paper to the area of Y. Leave your answer in the simplest form.

4 m

Attempt

42 P6.RD.TL.16010171

Level 3
Three women, Mrs Zhang, Mrs Lin and Mrs Yap went on a shopping spree. 30% of Mrs Zhang's spending is equal to ¹₅ of Mrs Lin's spending. Mrs Yap's spending is 40% more than Mrs Lin's. If Mrs Lin spends another $804, she will spend the same amount of money as Mrs Yap.

Find the ratio of Mrs Zhang's spending to Mrs Lin's to Mrs Yap's.
How much did Mrs Zhang spend?

4 m

Video Attempt

Fraction to units Finding ratio R Simplest form Percent to units Percent of different bases More than or less than Equal stage after Repeated identity Common numerator Units table

43 P5.RD.NK.22122916

Level
Fred had ¹₂ as many erasers as Will. Will had ²₃ as many erasers as Rachel. After Fred and Rachel gave 12 erasers to Will, Will had four times as many erasers as Fred. Rachel then had the same number of erasers as Will.

What was the ratio of the number of erasers Fred had to the number of erasers Rachel had in the beginning? Answer in simplest form.
How many erasers did Will have in the end?

4 m

Attempt

Fraction to units Finding ratio R Simplest form Times as many Equal stage after Repeated identity Internal transfer Unchanged total Units table

44 P5.RA.JC.17083290

Level 3
In January, Anna and Ryan had stamps in the ratio 5 : 2. In February, each of them gave away the same number of stamps. Anna then had thrice as many stamps as Ryan.

Find the ratio of the number of stamps Ryan had in January to the number of stamps he had in February.
Find the ratio of the total number of stamps both had in January to the total number of stamps both had in February.

4 m

Attempt

Finding ratio R Simplest form Ratio to units Times as many Unchanged difference Units table

45 P6.RD.TL.16010122

Level 3
Eva and Fiona went shopping with a total of $200. After Eva spent ³₄ of her money and Fiona spent $46, the ratio of Fiona's money became 3 times as much as Eva's money. Find the ratio of Eva's money to Fiona's money at first.

4 m

Attempt