Use estimation,mental math,or paper and pencil to convert from one unit to the other.
1. 2 gal. 2 qt. is how many quarts?
Solution: we know that one gallon equals 4 quarts, so just add another gallon,and two more quarts
2.3 yd. is how many feet?
Solution: we know that 1 yard is 3 feet,so just add another two yards
3.1ft.8 inches is how many inches?
solution: we know that i foot is 12 inches,from there you just add the inches
4.3/5 tons is how many pounds?
solution:we know that 1 ton is two thousand pounds, so we just divide by 5 and then multiply by three
5.30 inches is how many feet?
solution:we know that twelve inches is one foot