Today, you will learn customary units of length and the relationship between
them. Here are some notes and step by step problems. On the last page do #1-9
as practice.
Customary Units of Length: Inches, Feet, Yards, Miles
*You can use a ruler to measure length.
*A ruler is 1 foot long and has 12 inches.
*There are 12 inches in 1 foot.
*Do you see a pattern?
1 foot equals 12 inches because 1x12=12.
2 feet equals 24 inches because 2x12=24.
3 feet equals 36 inches because 3x12=36.
4 feet equals 48 inches because 4x12=48.
5 feet equals 60 inches because 5x12=60.
*You can also use a yardstick to measure length.
*A yardstick is 3 feet long and has 36 inches.
*There are 36 inches in 3 feet.
*1 yard equals 3 feet.
*Do you see a pattern?
1 yard equals 3 feet because 1x3=3 or 36 inches because 3x12 equals 36.
2 yards equals 6 feet because 2x3=6 or 72 inches because 6x12 equals 72.
3 yards equals 9 feet because 3x3=9 or 108 inches because 9x12 equals 108.
4 yards equals 12 feet because 4x3=12 or 144 inches because 12x12=144.
5 yards equals 15 feet because 5x3=15 or 180 inches because 15x12=180.
