Estimating Length
Choosing Units
Using a Ruler
Path Lengths
Measurement Mind Benders
100

Victor knows his book is 1 foot long. He uses it to estimate the length of his bike. It is about this many feet long.

About 4 feet

100

This is the smallest standard unit of measure on a standard school ruler.

An Inch
100

When measuring an object with a ruler, you must always line up the very edge of the object with this starting number.

0

100

To find the total length of a path made of multiple lines, you must perform this mathematical operation on all the parts.

Addition

100

If a line segments starts at the 2-inch mark on a ruler and ends at the 5-inch mark, this is its actual length.

3 inches. (5 - 2 = 3)

200

If you use a 1-foot ruler to estimate the length of a classroom whiteboard, this is a more reasonable estimate: 12 inches or 12 feet.

12 feet

200

You would need the most of this specific unit to measure the length of a truck because it is the smallest unit

Inches

200

A standard brand-new crayon aligns closest to this whole number mark on an inch ruler.

3 inches

200

If a path has two parts, one measuring 6 inches and the other measuring 8 inches, this is the total length.

14 inches

200

This tool is flexible and would be much better than a stiff wooden ruler for measuring the distance around a basketball.

A measuring tape.

300

This unit of measurement would be best to estimate the total length of an entire school bus.

Yards

300

This unit of measure is equal to exactly 12 inches.

A foot

300

A standard small paper clip aligns closest to this whole number mark on an inch ruler.

2 inches

300

A path has three segments measuring 2 feet, 3 feet, and 1 foot. This is the total length of the path.

6 feet

300

If a student has 2 feet of string and cuts off 6 inches, this is how many inches of string they have left.

18 inches. (24 inches - 6 inches)

400

True or False: A standard playground slide is about 10 inches long.

False 

400

This unit of measure is equal to exactly 3 feet

A yard

400

If an object's tip lands exactly halfway between the 4 and 5-inch marks, it is this long.

4 and a half inches.

400

One path is 14 inches long and another path is 8 inches long. This is how much longer the first path is.

6 inches.

400

Arrange these units from shortest to longest length: Foot, Yard, Inch 

Inch, Foot, Yard.

500

If a small desk is about 3 feet long, this is its approximate length in yards.

1 yard

500

To measure the length of a football field with the smallest total number of units, you should choose this unit over inches or feet.

Yards

500

This is the total number of inches found on a standard full-sized school ruler.

12 inches

500

An ant walks a path that totals 36 inches. This is the ant's total path length converted into feet.

3 feet.

500

Sarah is 4 feet tall and her older brother is 5 feet tall. This is their combined height in yards.

3 yards. (4 + 5 = 9 feet; 9 feet = 3 yards)




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