Level 3
Fill in the blanks.
There are some blue stickers, red stickers and green stickers.
The number of blue stickers is 30% as many as the red stickers.
The number or blue stickers is 40% as many as the green stickers.
  1. Number of red stickers = _____ u
  2. Number of green stickers = _____ u
  3. Total number of stickers = _____ u
  4. Number of more red stickers than green stickers = _____ u
4 m
Level 3
Fill in the blanks.
There are some blue stickers, red stickers and green stickers.
The number of blue stickers is 30% as many as the red stickers.
The number or blue stickers is 40% as many as the green stickers.
  1. Number of red stickers = _____ u
  2. Number of green stickers = _____ u
  3. Total number of stickers = _____ u
  4. Number of more red stickers than green stickers = _____ u
4 m
Level 3
Water flows into a tank at the rate of 45 ℓ per minute. After 10 min, the tap is turned off and the tank is 0.6 filled with water.
  1. How much more water is needed to fill it to the brim?
  2. The water in the tank is then poured into containers each 1.5 m long, 0.3 m wide and 10 cm high. What is the minimum number of containers needed?
4 m
Level 3
Jade buys a coat, a vest, a sweater and a windbreaker. The average cost of these items is $36. The total cost of the sweater and the windbreaker is 35 of the total cost of the coat and the vest. If the coat costs $16.60 and the windbreaker costs $11.50, find the difference in cost between the vest and the sweater.
3 m
Level 3
35 of a rectangular tank with a base area of 800 cm2 is filled with water. Another 2.4 ℓ of water are needed to fill this tank to its brim. What is the height of the water in the tank?
3 m