Questions

From Worst to Best

161 P5.ST.JC.18121174

Level 3
Adam has 300 stickers in 3 colours.
40% of the stickers are blue.
The number of red stickers is ¹₃ that of yellow stickers.

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 Percent to units Combined repeated identity Remainder concept Units table Units manipulation

162 P5.DA.NK.23052627

Level 3
Simon has some black and red balls. The total mass of all his balls is 242 g. He has 5 more red balls than black balls. The average mass of the black balls is 6 g. The average mass of the red balls is 10 g. How many balls does Simon have altogether?

3 m

Attempt

2 averages Average with unknown quantity Mass Number x value More than or less than Units equations Units table

163 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

164 P5.RA.NK.23021760

Level 3
Shiyun, Kimberly and Yoko had jelly beans in the ratio of 8 : 4 : 3. After Shiyun gave 6 jelly beans to Kimberly and Yoko, the three of them had the same number of jelly beans. Find the total number of jelly beans the children had.

4 m

Attempt

Ratio to units Equal stage after All change Units table

165 P5.DA.NK.23052626

Level 3
Kylie bought some Geography books at $17 each. She also bought an equal number of History books at a different price. The average price of one Geography and one History book was $10. Kylie paid $70 more for the Geography books than the History books.