Operations with Decimals and Area

This video tutorial covers unit five lesson five on decimal points and products. It begins with an introduction to the topic, followed by detailed explanations on finding products by multiplying numbers with one hundredth. The tutorial explains how the decimal point moves when multiplying by one hundredth, making the value smaller. It also covers expression equivalence, calculations of sums and differences, and concludes with a practical exercise on drawing quadrilaterals with a specified area.

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

• 1.221

• 0.1221

• 1.0221

• 1.2210

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 right.

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

Which expression is equivalent to six hundredths times 154 thousandths?

• 60 x 154

• 0.6 x 1.54

• 6/100 x 154/1000

• 0.06 x 0.154

What is the product of one hundredth times two hundredth?

• 0.0002

• 0.002

• 0.02

• 0.2

Calculate the value of three tenths times two-tenths.

• 0.06

• 0.6

• 0.006

• 6

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

• 6

• 0.6

• 60

• 0.06

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

• 35.05

• 34.5

• 34.05

• 35.5

Calculate the difference: thirteen and two tenths minus 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 circle with radius 3 units.

• Draw a square with sides 4.5 units.

• Draw a rectangle with sides 3 and 6 units.

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