Adding and Subtracting Decimals

Front

What is the result of 10.05 - 8.3?

Back

1.75

Front

What is the sum of 1.70 + 4.65?

Back

6.35

Front

Calculate 55.78 + 4.6.

Back

60.38

Front

In the number 0.7129, which digit is in the tenths place?

Back

7

Front

What is the result of 21 + 4.09?

Back

25.09

Front

What is the definition of a decimal?

Back

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

Front

How do you align decimal points when adding or subtracting decimals?

Back

Align the numbers by their decimal points, ensuring that digits are in the correct place value columns.

Front

What is the value of the digit 5 in the number 45.678?

Back

The value of the digit 5 is 5 tenths or 0.5.

Front

What is the process for subtracting decimals?

Back

Align the decimal points, subtract as you would with whole numbers, and place the decimal point in the answer.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.