Decimal Operations and Area Concepts

This lesson covers decimal points and products, focusing on multiplying numbers by hundredths and understanding the movement of decimal points. It includes calculating equivalent expressions, sums, and differences, and drawing quadrilaterals with specific areas.

What is the final product when 122 and one-tenth is multiplied by one hundredth?

• 0.1221

• 1.221

• 1.2210

• 1.0221

How does multiplying a number by one hundredth affect its decimal point?

• It moves the decimal point two places to the right.

• It moves the decimal point two places to the left.

• It moves the decimal point one place to the left.

• It does not affect the decimal point.

Which expression is equivalent to six hundredths times 154 thousandths?

• 0.06 x 0.154

• 0.6 x 1.54

• 6/100 x 154/1000

• 60 x 154

What is the product of one hundredth times two hundredth?

• 0.02

• 0.0002

• 0.002

• 0.2

Calculate the value of three tenths times two-tenths.

• 6

• 0.006

• 0.6

• 0.06

What is the result of one and two-tenths times five?

• 0.06

• 0.6

• 6

• 60

What is the sum of thirty-three and one-tenth plus one and ninety-five hundredths?

• 34.5

• 35.5

• 35.05

• 34.05

Calculate the difference between thirteen and two tenths and one and seventy-eight hundredths.

• 11.52

• 10.42

• 12.42

• 11.42

What is the result of nine tenths minus 245 thousandths?

• 0.555

• 0.855

• 0.755

• 0.655

How can you draw a quadrilateral with an area of 18 square units?

• Draw a rectangle with sides 3 and 6 units.

• Draw a square with sides 4.5 units.

• Draw a circle with radius 3 units.

• Draw a triangle with base 6 and height 6 units.