Multiplying Decimals

What is the difference between a proper decimal and an improper decimal?

• A proper decimal is greater than or equal to 1, while an improper decimal is less than 1.

• A proper decimal is less than 1, while an improper decimal is greater than or equal to 1.

• Both proper and improper decimals are less than 1.

• A proper decimal is a whole number, while an improper decimal is a fraction.

How do you find the area of a rectangle with decimal dimensions?

• Add the length and width, both expressed as decimals, to find the area.

• Multiply the length and width, both expressed as decimals, to find the area.

• Subtract the width from the length to find the area.

• Divide the length by the width to find the area.

What is the product of 52.6 and 8.2?

• 431.32

• 400.00

• 450.50

• 420.25

What is a decimal?

• A fraction whose denominator is a power of ten, represented with a decimal point.

• A whole number that can be divided by two.

• A type of currency used in many countries.

• A mathematical operation involving addition and subtraction.

If Sarah jogged 4.8 miles each day for 22 days, how many miles did she jog in total?

• 100.4 miles

• 105.6 miles

• 110.2 miles

• 98.4 miles

How do you multiply decimals?

• Multiply the numbers as if they were whole numbers, then count the total number of decimal places and place the decimal point in the product accordingly.

• Add the decimal places of both numbers and place the decimal point in the sum.

• Multiply the numbers, ignore the decimal points, and then add the decimal points in the product.

• Multiply the numbers as whole numbers and then subtract the total number of decimal places from the product.

What is the value of 0.5 x 0.5?

• 0.15

• 0.25

• 0.35

• 0.45

How do you add decimals?

• Align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.

• Add the whole numbers first and then add the decimal parts separately.

• Convert the decimals to fractions and add them together.

• Ignore the decimal points and add the numbers as if they were whole numbers.

What is the product of 0.2 and 0.8?

• 0.12

• 0.16

• 0.24

• 0.32

What does it mean to round a decimal?

• Adjusting its value to make it simpler while keeping it close to the original value, often to a specified place value.

• Changing a decimal to a whole number by removing the decimal part.

• Increasing the value of a decimal to the next whole number.

• Decreasing the value of a decimal to the nearest tenth.