Sometimes we don't have a ruler or yardstick,  so we estimate how big something is by using non-standard units.

Measure these objects using the non-standard units.

4 shoes

9 shoes

7 shoes

6 shoes
 

4 books

12 books

7 books

10 books

3 umbrellas

7 umbrellas

3 1/2 umbrellas

2 umbrellas

2 books

4 books

3 books

2 1/2  books

6 light bulbs

7 light bulbs

5 light bulbs



7 light bulbs

4 light bulbs

9 light bulbs