Division and Measurement Concepts

This video tutorial covers Unit 5 Lesson 12 on dividing decimals by whole numbers. It begins with an introduction to the concept, followed by an explanation of base 10 diagrams used to represent division problems. The tutorial then explores why different expressions can have the same value, using examples. It provides step-by-step guidance on long division, including practical problems like profit sharing among students. Finally, it compares the area of standard paper sizes in the US and Europe, concluding the lesson.

If a large rectangle represents 1000, what is the division problem shown in the diagram?

• 132 divided by 5

• 1320 divided by 5

• 13.2 divided by 5

• 1000 divided by 5

Why do all the expressions in the section have the same value?

• Because they all result in a quotient of 100

• Because they all have the same dividend

• Because the dividend and divisor are both 10 times smaller than the previous

• Because they all have the same divisor

What is the common value of the expressions discussed in the section?

• 25

• 50

• 100

• 45

What is the quotient of 7.89 divided by 2 using long division?

• 3.945

• 3.94

• 3.9

• 3.95

What is the quotient of 39.54 divided by 3 using long division?

• 13.20

• 13.18

• 13.17

• 13.19

What is the quotient of 176 thousandths divided by 5?

• 0.0352

• 0.352

• 0.00352

• 0.0325

How much does each student receive when $17.52 is divided equally among four students?

• $4.40

• $4.32

• $4.35

• $4.38

What is the length of a standard US sheet of paper in centimeters?

• 21.59 cm

• 27.94 cm

• 29.7 cm

• 30.48 cm

Which standard sheet of paper has a greater area, US or European?

• Cannot be determined

• US

• Both have the same area

• European

What is the width of a standard US sheet of paper in centimeters?

• 21.59 cm

• 27.94 cm

• 30.48 cm

• 29.7 cm