Questions

From Worst to Best

111 P5.RA.NK.23053101

Level 3
Class 5 Goodness and 5 Love had the same number of students. The ratio of the number of girls in 5 Goodness to the number of girls in 5 Love was 1 : 13. The ratio of the number of boys in 5 Goodness to the number of boys in 5 Love was 7 : 1.

What is the ratio of the number of boys to the number of girls in Class 5 Goodness?
If there were 33 fewer boys than girls in Class 5 Love, how many students were there each class?

4 m

Attempt

112 P5.SP.JM.17083103

Level 3
Ron and Benny take 4 days to assemble a toy plane. Benny and Jerry take 6 days to build the same toy plane while Ron and Jerry take only 3 days. How many complete days would the three of them take to build the same toy plane?

4 m

Attempt

Rate more than 1 object Duration Fraction of a whole F 4 operations Fraction to decimal Repeated identity Sets

113 P6.FR.TL.16010140

Level 3
The length of Bamboo Pole G is ¹₄ of the length of Bamboo Pole H and the length of Bamboo Pole H is ¹₃ of the length of Bamboo Pole I and ¹₁₀ of the length of Bamboo Pole J. What fraction of the total length of the 4 planks is Bamboo Pole I?

3 m

Attempt

Fraction to units Repeated identity Units table Units manipulation

114 P5.PC.NK.22122303

Level 3
Olivia is 20% heavier than Xavier. Dana is 40% lighter than Xavier. Olivia is 12 kg heavier than Dana. What is Xavier's mass?

3 m

Attempt

Percent to units Mass More than or less than Repeated identity Units table

115 P6.RA.TL.16010138

Level 3
David, Ethan and Tim have some marbles. The ratios of their marbles are as follows:

David : (David + Ethan + Tim) = 1 : 5
Ethan : (David + Tim) = 1 : 3

Tim has 42 marbles more than Ethan. In the end, Tim gives away all he has to Ethan and David so that both Ethan and David end up with the same number of marbles, how many marbles has Ethan received from Tim?

4 m

Video Attempt

Ratio to units More than or less than Equal stage after Combined repeated identity Unchanged total Units table

5 per page

10 per page

20 per page