Measuring Length with a Ruler

What does each space on a centimeter ruler represent?

• One meter

• One inch

• One centimeter

• One millimeter

If a pencil is aligned with 0 and 7 on a ruler, how long is it?

• 8 centimeters

• 7 centimeters

• 6 centimeters

• 5 centimeters

How can you measure an object with a broken ruler?

• By using a different ruler

• By guessing the length

• By measuring from the middle

• By aligning it with any two numbers and finding the difference

If one end of a key lines up with 6 and the other with 9, what is its length?

• 2 centimeters

• 3 centimeters

• 4 centimeters

• 5 centimeters

What is the length of a key if it aligns with 0 and 3 on a ruler?

• 1 centimeter

• 2 centimeters

• 3 centimeters

• 4 centimeters