Questions

From Worst to Best

11 P5.RD.JM.17083139

Level 3
Tim's and Natalie's monthly allowances were the same at first. Tim's allowance increased by 50% while Natalie's increased by 20%. Given that Tim's allowance would increase by another 20% if he had received $300 more from his father, find the difference in the children's monthly allowances.

5 m

Attempt

Percent change by Percent to decimal Percent of different bases Money Equal stage before All change Units table Decimal units

12 P5.PC.JM.17083152

Level 3
Ron and Shawn had 60 sweets each. Ron gave 20% of his sweets to Shawn. After receiving the sweets from Ron, Shawn gave 50% of his total sweets to Tammy. How many sweets had Shawn left?

4 m

Attempt

Percent of a set Equal stage before Branching Internal transfer Units table

13 P5.FR.NK.23021717

Level 3
Elyse bought some pens. She gave ¹₆ of the pens to her cousin and sold ³₄ of the remaining pens. After that, she bought another 171 pens and had the same number of pens that she bought at first. How many pens did Elyse buy at first?

4 m

Attempt

Fraction to units Equal stage before Combined repeated identity Remainder concept Units equations Units table

14 P5.DE.JC.17083263

Level 3
Andrew, Bryan and Charlie had the same number of marbles. Charlie gave 0.5 of his marbles to Bryan. Then Bryan gave 0.25 of his marbles to Andrew. Finally, after Bryan gave 30 marbles to Charlie, he had the same number of marbles as Charlie. How many marbles did Charlie have at first?

5 m

Video Attempt

Decimal to units Equal stage before Equal stage after Internal transfer Units equations Units table Decimal units

15 P5.FR.NK.23021751

Level 3
Sean and Pierre had an equal number of books. Sean donated ¹₈ of her books and Pierre donated ¹₅ of his books. Pierre donated 12 more books than Sean. How many books did Pierre have at first?

4 m

Attempt

Fraction to units More than or less than Equal stage before All change Units table

16 P5.FR.NK.22123010

Level 3
At first, George, Paul and David had the same amount of money. After David spent some of his money, George spent ³₈ of his money and Paul spent ³₅ of his money, George had $198 more than Paul. In the end, the total amount of money the three boys had left was $946. How much money did David spend?

4 m

Attempt

Fraction to units Money Equal stage before More than or less than All change Units table

17 P5.FR.NK.23021750

Level 3
Ivan and Ryan earned the same amount each month. Ivan saved ³₄ of his pay and Ryan saved ²₅ of his pay. Ivan saved $160 more than Ryan in a month. How much did Ryan save in a month?

4 m

Attempt

Fraction to units Money Equal stage before All change Units table

18 P5.WN.JC.17083137

Level 3
At the hospital, Floor A and Floor B had an equal number of beds at first. If 6 beds were removed from Floor B and 6 times as many beds were removed from Floor A as Floor B, the number of beds in Floor B would be 4 times as many as in Floor A. Find the number of beds on each floor.

4 m

Attempt

Equal stage before Times as many All change Units equations Units table

19 P5.WN.NK.23053006

Level 3
Eric had an equal number of cream scones, strawberry scones and vanilla scones. After he ate 28 cream scones, some strawberry scones and vanilla scones, there were 55 scones left. The number of strawberry scones he ate was thrice the number of vanilla scones he ate. The number of strawberry scones left was 22 more than the number of cream scones left. How many cream scones were there at first?

4 m

Attempt

More than or less than Times as many Equal stage before All change Units Table Units & parts Elimination

20 P5.PC.JC.17083140

Level 3
There was an equal number of mangoes and pineapples. On Monday, some mangoes were added, such that the number of mangoes increased by 80%. On Tuesday, the number of mangoes further increased by 50% and the number of pineapples decreased by 20%. There were 38 more mangoes than pineapples in the end. How many mangoes and pineapples were there altogether at first?

5 m

Video Attempt