Open Up - Grade 6 - Mathematics - Unit 5 - Lesson 12

Here is a diagram representing a base-ten number. The large rectangle represents a unit that is 10 times the value of the square. The square represents a unit that is 10 times the value of the small rectangle.

Here is a diagram showing the number being divided into 5 equal groups.

If a large rectangle represents 1,000, what is the answer to the second diagrams division problem?

Here is a diagram representing a base-ten number. The large rectangle represents a unit that is 10 times the value of the square. The square represents a unit that is 10 times the value of the small rectangle.

Here is a diagram showing the number being divided into 5 equal groups.

If a large rectangle represents 100, what is the answer to the second diagrams division problem?

Here is a diagram representing a base-ten number. The large rectangle represents a unit that is 10 times the value of the square. The square represents a unit that is 10 times the value of the small rectangle.

Here is a diagram showing the number being divided into 5 equal groups.

If a large rectangle represents 10, what is the answer to the second diagrams division problem?

Explain why all of these expressions have the same value.

4500 / 90

450 / 9

45 / 0.9

4.5 / 0.09

What is the common value of these equations?

4500 / 90 = ?

450 / 9 = ?

45 / 0.9 = ?

4.5 / 0.09 = ?

Use long division to find each quotient.

Use long division to find each quotient.

Use long division to find each quotient.

Four students set up a lemonade stand. At the end of the day, their profit is $17.52. How much money do they each have when the profit is split equally?

A standard sheet of paper in the United States is 11 inches long and 8.5 inches wide. Each inch is 2.54 centimeters. How long is a standard sheet of paper in centimeters?

A standard sheet of paper in the United States is 11 inches long and 8.5 inches wide. Each inch is 2.54 centimeters. How wide is a standard sheet of paper in centimeters?

A standard sheet of paper in Europe is 21.0 cm wide and 29.7 cm long. Which has the greater area, the standard sheet of paper in the United States or the standard sheet of paper in Europe?