491 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
492 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
493 P4.DA.JM.17092732
Level 3
The line graph shows the number of boys and girls in each sports school.
  1. How many pupils were there in Sports School B?
  2. How many more girls than boys were there in Sports School C?
  3. At the end of the year, an equal number of boys and girls from Sports School D were transferred to Sports School A. The fraction of the number of boys to girls in Sports School A becomes 23. Find the total number of boys and girls that were transferred from Sports School D to Sports School A.
4 m
Line graph Fraction of a set Fraction to units Internal transfer More than or less than Equal stage Units method
494 P4.AP.JM.17100172
Level 3
The perimeter of a rectangle is 48 cm. Its length is 3 times as long as its breadth. Find its area.
3 m
Rectangle Model Times-as-many Units method
495 P5.ST.JC.19021402
Level 3
If Adam's income decreases 10% from $330 and then decreases by another 10%, what is the new income?
3 m
Percent change by Percent of different bases Units method

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