Measuring Up What do you measure You can measure length such as how many inches tall you are or how many inches long your bike is 51 inches 4 45 inches
You can also measure area Area is the space that a flat shape or figure covers Area Area Area 5
Counting Unit Squares Measure the area of a shape by counting the number of unit squares Each box below is a unit square 1 7 13 19 2 8 14 20 3 9 15 21 4 5 6 10 11 12 16 22 17 23 18 24 The shape is covered by 24 unit squares The area is 24 square units Always label the answer in square units 6
Measure the area of this checkerboard by counting all the square units 64 square units Answer Unit squares can be different sizes This unit square measures 1 square centimeter This means that each of its sides is 1 centimeter long This unit square measures 1 square inch This means that each of its sides is 1 inch long 7
