Level 2
A tank was completely filled with water at 7 a.m Water flowed out of the tank from 7 a.m. to 11 a.m. The line graph shows the volume of water in the tank at each 1-hour interval from 7 a.m. to 11 a.m. At what time was 14 of the tank filled with water?
2 m
Level 2
7 125 ℓ -            mℓ = 2 ℓ 725 mℓ
2 m
Level 2
3 14 ℓ - 528 mℓ =            mℓ
2 m
Level 3
Adam has 100 stickers.
He gives 50 stickers to Bryan.
Then he sells 35 of the remaining stickers.
How many stickers has Adam have left?
3 m
Level 3
Adam has 100 stickers.
He gives 50 stickers to Bryan and
some to Chris.
After that, he has 25 of the stickers left.
  1. How many stickers does Adam have left?
  2. How many stickers does he give to Chris?
3 m