Level 2
The bar graph shows the number of notebooks sold in 3 months. The bar that shows the number of notebooks in January is not drawn.
38 of the total number of notebooks sold in the 3 months were sold in January. How many notebooks were sold in January?
2 m
Level 3
The average number of stickers that Adam and Bryan have is 30.
The average number of stickers that Adam and Chris have is 40.
The number of stickers that Bryan has is 23 as many as Chris.
  1. How many stickers does Adam have?
  2. How many stickers does Bryan have?
  3. How many stickers does Chris have?
3 m
Level 2
The height of a rectangular tank is 21 cm. When 8400 cm3 of water is in the tank, it is 23 full. What is the base area of the tank?
2 m
Level 3
Some children board a school bus.
At Bus Stop A, 25 of them alight
and 6 children board.
At Bus Stop B, 13 of the children alight
and 4 board.
If there are 20 children on the bus now,
how many children are on the bus at first?
3 m
Level 2
A box is 700 g when it is filled with stickers.
If 35 of the stickers are removed,
the mass of the box with the remaining stickers is 400 g.
What is the mass of the empty box?
2 m