TEST- Decimals

Front

What is a decimal?

Back

A decimal is a way of representing numbers that are not whole numbers, using a point (.) to separate the whole part from the fractional part.

Front

How do you read the decimal 0.45?

Back

You read it as 'forty-five hundredths'.

Front

What does rounding a number mean?

Back

Rounding a number means adjusting it to the nearest whole number or specified decimal place.

Front

What is the nearest whole number to 543.642?

Back

544.

Front

How do you add decimals?

Back

Align the decimal points and add as you would whole numbers, then place the decimal point in the sum.

Front

What is the total of 3 km, 2.5 km, and 2.5 km?

Back

8 km.

Front

What is the value of the digit 5 in the number 26.045?

Back

The value of 5 is five hundredths.

Front

How do you compare decimals?

Back

Compare the digits from left to right, starting with the whole number part.

Front

What is the greatest number among 4.008, 4.825, 4.09, and 4.18?

Back

4.825.

Front

What is an estimate?

Back

An estimate is a rough calculation or approximation of a number.