526 P4.AP.JM.17100237
Level 3
The length of a rectangle is 4 times its breadth. The area is 64 cm2, find its perimeter.
3 m
Rectangle Model Times-as-many Units method
527 P5.RD.JM.17083198
Level 3
At a fruit stall, 280 mangoes were sold in the morning and 35 of the remaining mangoes were sold in the afternoon. As a result, the number of mangoes left became 16 of the total number of mangoes at first. Given that the mangoes were sold at $2.50 in packs of six mangoes, how much did the fruit stall receive from the sale of the mangoes in the afternoon?
4 m
D Multiplication Fraction of a set Fraction to units Money Remainder concept Common numerator Sets Units method
528 P6.AG.JC.17080467
Level 3
Ali is b years old. Bill is four times as old as Ali and Calvin is 6 years younger than Bill.
  1. Express Calvin's age in terms of b.
  2. Ali is 10 years old as of now. ln how many years' time will Calvin be 3 times as old as Ali?
4 m
Algebra in 1 variable Algebra simplifying More than or less than Times as many Units method
529 P4.AP.JM.17100240
Level 3
The area of a rectangle is 72 cm2. Given that its length is twice its breadth, find its perimeter.
3 m
Rectangle Model Times-as-many Units method
530 P4.WN.JM.17102314
Level 2
Ken has some marbles. He has twice as many marbles as his brother. Given that they have 816 marbles altogether, how many marbles does his brother have?
2 m
Model Times-as-many Units method

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