Decimals: Place Value, Comparing, and Expanded form/notation

What is a decimal?

• A number that includes a decimal point, separating the whole number part from the fractional part.

• A whole number without any fractions or decimals.

• A number that is always less than one.

• A type of fraction that cannot be expressed as a whole number.

How do you express 3.7 in words?

• three and seven tenths

• three point seven

• three and three tenths

• three and seven hundredths

What is the value of the digit 3 in the decimal 0.37?

• 0.03

• 0.30

• 0.3

• 3/10

How do you convert a fraction to a decimal?

• Multiply the numerator by the denominator.

• Add the numerator and denominator together.

• Divide the numerator by the denominator.

• Subtract the denominator from the numerator.

What is the value of the digit 2 in the decimal 0.25?

• 0.02

• 0.20 or 2/10

• 0.25

• 0.5

What does it mean to round a decimal?

• Adjusting the number to a nearby value to simplify it

• Changing the decimal to a whole number

• Eliminating all decimal places

• Increasing the value of the decimal by one

What does the place value of a digit in a decimal represent?

• It indicates the digit's value based on its position relative to the decimal point.

• It shows the digit's value in relation to the whole number.

• It determines the digit's value based on its color.

• It represents the digit's value as a percentage of the total.

What is expanded form of a decimal?

• It expresses the number as the product of its digits.

• It expresses the number as the sum of the values of its digits.

• It expresses the number in scientific notation.

• It expresses the number as a fraction.

What is the relationship between 5678.00 and 5678?

• 5678.00 is greater than 5678.

• 5678.00 is less than 5678.

• 5678.00 is equal to 5678.

• 5678.00 is not comparable to 5678.

How do you compare two decimal numbers?

• Align them by the decimal point and compare digit by digit from left to right.

• Add the two numbers and see which is larger.

• Convert them to fractions and compare the numerators.

• Round them to the nearest whole number and compare.