Decimals Check-in

Front

What is a decimal?

Back

A decimal is a way of representing fractions using a base 10 system, where numbers are divided into tenths, hundredths, thousandths, etc.

Front

What does the digit 5 represent in the number 78.25?

Back

The digit 5 represents 0.05, which is five hundredths.

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 rounding?

Back

Rounding is the process of adjusting the value of a number to make it simpler while keeping it close to the original value.

Front

How do you round 23.542 to the nearest tenth?

Back

Look at the hundredths place (4). Since it is less than 5, round down to 23.5.

Front

Back

Front

How do you convert a decimal to a fraction?

Back

Write the decimal as a fraction with a denominator of 1, then multiply the numerator and denominator by 10 for each digit after the decimal.

Front

Convert the decimal 0.75 to a fraction.

Back

Front

What is the value of the digit 2 in the number 0.42?

Back

The digit 2 represents 0.02, which is two hundredths.

Front

What is the place value of the digit 7 in the number 5.678?

Back

The digit 7 is in the hundredths place, representing 0.07.