Write the perfect square immediately before and after the whole number and then estimate the square root of the whole number to one decimal place.
Martina's is on a square canvas with an area of 45cm 2. She needs to buy a frame for the painting. Estimate the square's side length to one decimal place.
Braden's new game board has 225 small squares. All of the small squares form one large square. How many small squares are along one side.