Understanding Decimal Numbers

What is a decimal number?

• A decimal number is a number represented in binary format.

• A decimal number is a number that only contains integers.

• A decimal number is a number that contains a decimal point.

• A decimal number is a whole number without fractions.

How do you read the number 3.14?

• three point one four

• three and fourteen hundredths

• three point fourteen

• three point one four hundred

What is the value of the digit 5 in the number 25.75?

• 5

• 0.5

• 2.5

• 0.25

Convert the fraction 1/4 into a decimal.

• 0.25

• 0.75

• 0.5

• 0.1

What is the place value of the digit 7 in the number 0.75?

• 0.75

• 0.05

• 0.7

• 7.0

How do you express 0.1 in terms of fractions?

• 2/20

• 3/30

• 1/5

• 1/10

What is the decimal representation of 3/10?

• 3.0

• 0.33

• 0.3

• 0.03

If you have 0.001, what is its place value?

• one hundredth

• one tenth

• one millionth

• one thousandth

How do you read the number 20.5?

• twenty point five

• twenty five point zero

• two hundred and five

• twenty and five

What is the decimal equivalent of 2/5?

• 0.2

• 0.5

• 0.8

• 0.4