Estimating
True or False: You should always use a ruler to measure an object before you try to estimate its length.
False
If you connect two pieces of string together, do you add or subtract their lengths to find the total length?
Add
Which word describes the comparison when one object is bigger than another: longer or colder?
Longer
What tool do you use to measure the length of an object in the classroom?
Tape Measure
What is the mathematical word for making a good guess about a measurement?
Estimating
If a total length is 10 feet, and one part is 3 feet, how long is the other part?
7 feet
If you have two pencils, one 15 cm and one 10 cm, which one would be shorter?
10 cm
When using a ruler to measure an object, where should the object's end line up before you begin?
the 0 on the ruler
Would you estimate a book's height to be closer to 30 centimeters or 3 centimeters?
30 cm
What is the total length if you lay a 7-inch ruler next to a 5-inch ruler?
12 inches
To find out how difference between two objects, do you add or subtract the lengths?
If you start measuring a piece of string at the 1-inch mark, what number should the string end on if its length is 5 inches?
6 inch mark
A student estimates a desk is 18 inches long, but the actual measurement is 25 inches. Is the estimate reasonable?
No
A rope is made up of two smaller pieces. One piece is 12 inches and the other is 9 inches. What is the total length of the rope?
21 inches
A table is 1 meter long. A desk is 85 centimeters long. Which piece of furniture is shorter?
The table
What is the total length of a short crayon (6 cm) placed next to a long crayon (9 cm)?
15 cm
You need to estimate the length of a large cafeteria. Would you use centimeters, feet, or inches? Why?
Feet
A pipe is 1 meter long. We cut off a 30 cm piece and a 45 cm piece. How much of the pipe is left?
25cm
John's jump rope is 65 feet long. Mark's jump rope is 49 feet long. How much longer is John's jump rope than Mark's?
16 feet
A marker starts at the 3-inch mark on the ruler and ends at the 10 inch mark. What is the length of the marker?
7 inches