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?
Level 3
May added a certain number of white squares round a grey square and then a certain number of grey squares round the white squares and she continued adding more grey and white squares round the diagram in each pattern as shown.
How many grey squares did she need if the most outer layer had 11 squares on each side?
How many squares are there in the Figure 11?
Level 3
May added a certain number of white squares round a grey square and then a certain number of grey squares round the white squares and she continued adding more grey and white squares round the diagram in each pattern as shown.
How many grey squares did she need if the most outer layer had 11 squares on each side?