6 P5.RD.PR.17083249
Level 3
The figure is made up of 2 squares of different sizes. The area of the small square is 50% of the area of the big square. The overlapped shaded area is 20 cm2. The area of the unshaded small square is 25 the area of the unshaded big square. Find the area of the small square.
3 m
Fraction to units Finding ratio Area Perimeter Square Overlapping area Unchanged difference Units table
7 P5.ST.JC.18121111
Level 2
Adam is 20 years old.
The total age of Adam and Bryan is 80 years.
How many years ago was the ratio of Adam's age to Bryan's age 1 : 5?
2 m
Ratio to units Unchanged difference Units table
8 P5.ST.JC.18121112
Level 2
Adam is 10 years old. The total age of Adam and Bryan is 50 years. How many years' time will the ratio of Adam's age to Bryan's age be 1 : 3?
2 m
Ratio to units Unchanged difference Units table
9 P5.ST.JC.18121113
Level 2
Adam has 30 blue stickers and 70 red stickers.
After giving away the same number of stickers,
the ratio of the blue stickers and the red stickers becomes 1 : 3.
How many stickers are given away?
2 m
Ratio to units Unchanged difference Units table
10 P5.ST.JC.18121114
Level 2
Adam has 30 blue stickers and 120 red stickers.
After buying the same number of stickers,
the ratio of the blue stickers and the red stickers becomes 1 : 3.
How many stickers does he buy?
2 m
Ratio to units Unchanged difference Units table

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