Add and Subtract Decimals

Front

What is the first step when adding and subtracting decimals?

Back

Line up the decimals.

Front

34 + 10.18 = ?

Back

44.18

Front

5.49 + 0.5 = ?

Back

5.54

Front

Find the difference: 9.73 - 2.52

Back

7.21

Front

7.9 + 18.72 = ?

Back

26.62

Front

What do you need to do if the numbers have different decimal places?

Back

Add zeros as placeholders to the shorter number.

Front

How do you check your work after adding or subtracting decimals?

Back

Re-add or re-subtract the numbers to see if you get the same result.

Front

What is the sum of 12.5 and 3.75?

Back

16.25

Front

What is the difference between 15.6 and 4.2?

Back

11.4

Front

When adding decimals, what should you do with the decimal point in the answer?

Back

Place the decimal point directly below the other decimal points.