486 P4.DE.JC.17100399
Level 2
Three bottles, S, T and U, contain a total of 13.5 ℓ of water. Bottle S contains 1.3 ℓ of water more than Bottle T. Bottle T contains 4.3 ℓ of water more than Bottle U. What is the volume of water in Bottle T?
3 m
D Addition & subtraction Volume Model Comparison Units method
487 P6.SP.TL.18012265
Level 3
Joe took 12 min to cycle from his home to a park for his morning exercise. After the exercise, he took 60 min to walk the same route home. The difference between his cycling and walking speed was 40 km/h. How far was Joe's home from the park?
3 m
DST triangle Different speed Distance apart Inverse ratio Unit conversion Units method
488 P5.ST.JC.18121161
Level 3
Adam spends $300 of his income and saves the rest.
When he increases his spending by 10%, his savings decreased by 30%
  1. How much is Adam's savings at first?
  2. How much is Adam's savings in the end?
  3. How much is Adam's income?
3 m
Percent change by Percent of different bases Units method
489 P5.ST.JC.19021401
Level 3
If Adam's income increases 10% from $300 and then increases by another 10%, what is Adam's latest income?
3 m
Percent change by Percent of different bases Units method
490 P6.SP.TL.18012257
Level 3
King took 6 hours to drive from Point A to Point B while Jack took 4 hours to drive from Point B to Point A. When they met each other, they were 48 km away from the midpoint of Point A and Point B. What was King's speed?
3 m
Average speed Different starting point Meeting point Inverse ratio Duration Units method

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