Measuring Lengths and Basic Division

This video tutorial teaches how to measure and divide objects into equal lengths. It covers the concept of using equal units for measurement, addresses common misunderstandings like gaps in measurement, and demonstrates dividing objects like boards and candy bars into equal parts. The lesson emphasizes iteration and the importance of alignment in measurement.

What is the primary method to measure the length of a larger object?

• Using a ruler only

• Estimating by eye

• Subdividing it into equal units

• Using a single large object

What is a common mistake when measuring lengths with objects?

• Measuring in the wrong units

• Using too many objects

• Lining up the beginning and end of each object

• Using objects of different sizes

What is the concept of iteration in measuring lengths?

• Subtracting objects

• Repeated addition of objects

• Dividing objects

• Using a single object repeatedly

How many three-foot bricks are needed to complete a nine-foot path?

• Five

• Four

• Three

• Two

If an eight-foot board is cut in half, how long is each piece?

• Five feet

• Four feet

• Three feet

• Two feet

What number added to itself equals eight?

• Five

• Two

• Four

• Three

If a 12-centimeter candy bar is cut into four equal pieces, how long is each piece?

• Four centimeters

• Six centimeters

• Three centimeters

• Two centimeters

What is the length of each piece when a 12-centimeter candy bar is divided into two equal parts?

• Three centimeters

• Four centimeters

• Eight centimeters

• Six centimeters

How many sets of doubles threes are needed to make 12?

• Two

• Four

• One

• Three

What is the result of dividing a 12-centimeter candy bar into two equal parts and then each part into two more?

• Two pieces of six centimeters each

• Four pieces of three centimeters each

• Three pieces of four centimeters each

• Six pieces of two centimeters each