Questions

From Worst to Best

21 P5.ST.JC.18121175

Level 3
Adam has 300 stickers in 3 colours.
40% of the stickers are blue.
The rest are red and yellow stickers in the ratio 2 : 3.

What percentage of the stickers are yellow?
How many red stickers are there?

3 m

Attempt

Fraction to units Finding percent Percent of a set Ratio to units Combined repeated identity Remainder concept Units table Units manipulation

22 P5.ST.JC.18121176

Level 3
Adam has stickers in 4 colours.
⁵₇ of the stickers are blue.
The rest of the stickers are red, yellow and green in the ratio of 1 : 5 : 3.
If there are 40 more yellow stickers than green stickers,
how many blue stickers are there?

3 m

Attempt

Fraction to units Ratio to units Combined repeated identity Remainder concept Units table Units manipulation

23 P5.ST.JC.18121177

Level 3
In a school, there is a total of 400 people.
30% are adults.
The rest are children.
The number of boys and girls is in the ratio of 2 : 5.

What percentage of the people are boys?
How many girls are there?

3 m

Attempt

Ratio to units Finding percent Percent of a set Percent to units Combined repeated identity Remainder concept Units table

24 P5.ST.JC.18160201

Level 3
In a school, there is a total of 400 people.
30% are adults.
The rest are children.
The number of boys and girls is in the ratio of 5 : 9.

What percentage of the people are boys?
How many girls are there?

3 m

Attempt

Ratio to units Finding percent Percent of a set Percent to units Combined repeated identity Remainder concept Units table Units manipulation

25 P5.FR.JM.17083090

Level 2
The figure is made up of a square and a rectangle. The area of the square is ¹₃ the area of the rectangle. Given that ¹₂ of the square is shaded, what fraction of the whole figure is unshaded?