Adding and Subtracting Decimals

Front

What is the sum of 13.16 and 5.90?

Back

19.06

Front

How do you find the difference between 13.080 and 7.486?

Back

5.594

Front

What is the result of 46.4 minus 41.745?

Back

4.655

Front

Calculate 5.72 minus 3.55.

Back

2.17

Front

If Chicago was predicted to receive 1.254'' of rain and actually received .875'', how far was the prediction off?

Back

.379''

Front

What is the definition of a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten.

Front

What does it mean to add decimals?

Back

Adding decimals involves aligning the decimal points and adding the numbers as you would with whole numbers.

Front

What is the process for subtracting decimals?

Back

To subtract decimals, align the decimal points and subtract as you would with whole numbers.

Front

What is a common mistake when adding decimals?

Back

A common mistake is misaligning the decimal points, which can lead to incorrect sums.

Front

Why is it important to line up decimal points when adding or subtracting?

Back

Lining up decimal points ensures that each digit is in the correct place value, leading to accurate calculations.