The customary measurements of length include: miles, yards, feet and inches. If you learn to make the ladder on the right, you will know the measures and easily convert between measures.

The first thing you need to memorize is what goes on the rungs of the ladder. We will memorize them in order from top to bottom.
Miles
Yards
Feet
Inches
Read the list above 5 times.

Fill in the blank Miles, Yards, Feet, _______.

Fill in the blank Miles, Yards, _______, Inches.

Fill in the blank Miles, _______, Feet, Inches.

Fill in the blank _______, Yards, Feet, Inches.

Try to write the list in order on a piece of paper. Write vertically and name the lines.

Now it is time to learn the numbers that need to go in the spaces.
1760, 3, 12
I call this the Length Combination.

Type 1760312 without commas and spaces.

Type as much of the Length Combination as you can remember.

Type as much of the Length Combination as you can remember.

Type as much of the Length Combination as you can remember.

The arrows tell you which operation you do when you move up or down the ladder. When you do up the ladder you should be ______.

The arrows tell you which operation you do when you move up or down the ladder. When you do down the ladder you should be ______.

Create your own ladder from memory. Press "OK" below when you are finished, then move to the next question to check your ladder with mine.