Level 3
Peter made 75 paper aeroplanes in four days. Each day after the first day, he made double the number paper aeroplanes than the day before. How many paper aeroplanes did he make on the first day?
Level 3
Darryl was drawing a pyramid-like structure as shown. It consists of shaded and unshaded rectangles. The rest of the structure follows the same pattern.
How many shaded rectangles are there in Row 9?
In which row would there be 37 rectangles?
Darryl had drawn a total of 144 rectangles. How many shaded rectangles were there in the drawing?
Level 3
Darryl was drawing a pyramid-like structure as shown. It consists of shaded and unshaded rectangles. The rest of the structure follows the same pattern.
How many shaded rectangles are there in Row 9?
In which row would there be 37 rectangles?
Darryl had drawn a total of 144 rectangles. How many shaded rectangles were there in the drawing?
