Questions

From Worst to Best

61 P5.PC.JM.17083119

Level 3
Patricia collected 120 foreign stamps and 80 local stamps. She gave 40% of the foreign stamps and 15% of the local stamps to Jack.

How many stamps did Jack receive in all?
What percentage of the stamps that Jack received were foreign stamps?

3 m

Attempt

62 P5.RD.JM.17083331

Level 3
Ryan owned two shops selling milk tea. Shop A earned 40% more money than Shop B on Monday. On Tuesday, Shop A lost $110 while Shop B earned another $150. In the end, Shop B contributed to ⁵₈ of the total earnings of the two shops over the two days operation. How much did Shop A earn over the two days?

4 m

Attempt

Fraction of a whole Fraction to units Percent to units Money More than or less than All change Units table Units & parts Elimination

63 P5.ST.JC.18121172

Level 3
Adam has some blue stickers and red stickers.
If 300 blue stickers are removed, 25% of the stickers will be blue stickers.
If 200 red stickers are removed, 20% of the stickers will be red stickers.

How many blue stickers are there?
How many red stickers are there?

4 m

Attempt

Percent of a set Percent to units All change Double if Units table Units & parts

64 P6.RA.TL.16010129

Level 3
In October, the ratio of boys and girls in a school's rifle club was 4 : 7. In November, 68 new members joined the club. As a result, the ratio of boys to girls in the club became 4 : 3. There were 64 boys in the club in October. How many of the new members were girls?

4 m

Attempt

Ratio to units All change Working backwards Units table Units & parts

65 P6.RD.JC.16010160

Level 3
In a pouch of notes, the number of $2, $5 and $10 are in ratio of 5 : 4 : 6. ¹₅ of the $2-notes and 15 $5-notes are taken out. The remaining notes are worth $541. Find the difference between the value of $10-notes and $2-notes in the end.

4 m

Attempt

Fraction to units Ratio to units Money Number x value All change Units table

5 per page

10 per page

20 per page