Questions

From Worst to Best

21 P6.RD.JC.19082902

Level 3
Fabian, Gilbert and Henry had some marbles in the ratio of 2 : 3 : 5. Henry gave 40% of his marbles to Fabian and Gilbert. As a result, Fabian had the same number of marbles as Gilbert and Henry had 36 fewer marbles than Fabian.

What was the percentage increase in Fabian's marbles after receiving from Henry?
How many marbles did Gilbert have at first?

4 m

Video Attempt

Ratio to units Percent of a set Percent change by More than or less than Equal stage after Internal transfer Units table Decimal units

22 P6.RD.JC.19082904

Level 3
Andy, Bob and Charles collected game cards in the ratio of 7 : 4 : 9. After Charles gave ³₁₀ to Andy and Bob, Charles had 60 less game cards than Andy. The number of game cards that Ben had increased by 35%. How many game cards did Andy and Charles have?

4 m

Video Attempt

Fraction of a set Ratio to units Percent to units Percent change by More than or less than Internal transfer Units table Decimal units

23 P5.PC.JC.17083122

Level 3
Jane's savings is 20% more than Darwin's savings. If Jane's savings is decreased by 20%, their total savings will be $980. How much is Jane's savings?

3 m

Attempt

Percent change by Percent of different bases Money More than or less than Unchanged quantity Units table Decimal units

24 P6.RD.TL.16010123

Level 3
A fruit seller had apples and durians. The ratio of apples to durians was 5 : 3. After ³₄ of the apples and 38 durians were sold, there were 2 times as many apples as durians left. How many apples and durians were there at first?

4 m

Attempt

Fraction to units Ratio to units Times as many All change Units table Decimal units

25 P6.RD.JC.16010136

Level 3
Tank E contained 4 times as many guppies as Tank F. When 10% of the guppies in Tank E and 10% of the guppies in Tank F were transferred to Tank G, Tank G had 120 guppies, which was 20% more guppies than before. How many less guppies were there in Tank F than Tank E in the end?

4 m

Attempt