Level 2
The solid shown is built from cubes of edge 1 cm. How many more such cubes are needed to build the solid into a cube of edge 3 cm?
2 m
Level 2
If the cleaning fee for each jewelry is $2, what is the total amount collected from all the pieces of jewellery?
2 m
Level 1
Study the figure carefully. There are          angles inside the figure that is smaller than the right angle.
2 m
Level 1
In 3192, the digit with the greatest value is          .
1 m
Level 2
Given a rectangle with the following dimensions,
  1. find the perimeter
  2. find the area.
2 m