A worm crosses a stone by crawling over it. The stone is a rectangular block 5 cm high and 15 cm long. The worm is 2 cm long. How many centimetres does it crawl from Start to Finish, as shown?
Doraemon has a pair of magic glasses that can infer a person’s front view from the back view. The picture shows a girl from behind. Which picture below matches her front view?
The kangaroo family holds a jumping race. The young kangaroo races its father and is allowed a head start, as shown. Father moves 3 cells right with each jump, while the youngster moves only 1 cell right. In which numbered cell does Father catch the youngster?
Five sparrows sit on a wire as shown. Some face left and some face right. Each chirps as many times as the number of other sparrows it can see. For example, the third sparrow chirps twice. How many chirps do the five sparrows make altogether?
Dylan draws his house on a sheet of paper, as shown. In the drawing, the right-hand wall has 4 windows. Each of the other walls also has 4 windows. How many windows does Dylan’s house have altogether?
Linda wants to colour the four squares shown using blue and red, so that squares sharing an edge have different colours. How many colourings are possible?