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 exercises on finding equivalent expressions, calculating values using fractions and decimals, and solving sums and differences. Additionally, it involves drawing quadrilaterals with a specified area.

What is the main focus of Unit 5 Lesson 5?

• Dividing decimals

• Adding fractions

• Multiplying numbers by one hundredth

• Subtracting integers

How is 122 and one-tenth written as tenths?

• 1,220 tenths

• 122 tenths

• 12,210 tenths

• 1,221 tenths

What is the final product of 11.8 times 0.01?

• 11.8

• 0.118

• 0.0118

• 1.18

Where does the decimal point move when multiplying by 0.01?

• Between the tenths and hundredths place

• Between the hundreds and thousands place

• Between the ones and tenths place

• Between the tens and hundreds place

What happens to the value of a number when multiplied by 0.01?

• It remains the same

• It becomes 10 times larger

• It becomes 1000 times larger

• It becomes 100 times smaller

Which expression is equivalent to six hundredths times 154 thousandths?

• 0.006 x 0.0154

• 0.6 x 0.154

• 0.6 x 1.54

• 0.06 x 0.154

What is the product of 0.01 times 0.02?

• 0.002

• 0.0002

• 0.2

• 0.02

How do you express 1.2 times 5 as a fraction?

• 1/10 x 5/2

• 12/5 x 1/10

• 1/2 x 5/1

• 12/10 x 5/1

What is the decimal equivalent of 9/10 times 11/10?

• 1.1

• 0.99

• 0.91

• 0.9

Which expression is equivalent to four ten-thousandths times five thousandths?

• 4/10 x 5/100

• 4/100 x 5/10

• 4/1000 x 5/10000

• 4/10000 x 5/1000