Estimate the quantity of objects in collections and make estimates...

Quick preparation

• estimate the quantity of objects in collections and make estimates when solving problems to determine the reasonableness of calculations
• estimating how much space a grid paper representation of a large number such as 20 200 will take up on the wall and how much paper will be required
• estimating the number of people in a large gathering; for example, school assembly, using known numbers, such as how many students per class