A worksheet with a large fish illustration at the top labeled 'ADDITION'. Below the fish, there are three columns of numbers and circles, with the left column labeled '2', the middle column labeled '3', and the right column labeled '4'. The numbers in each column are increasing by one, starting from 0. The circles in each column are also increasing in size, with the left column having the smallest circles, the middle column having medium-sized circles, and the right column having the largest circles.