Adding and Subtracting Decimals

Front

What is the process of adding decimals?

Back

To add decimals, align the decimal points and add each column starting from the right, carrying over if necessary.

Front

What is the process of subtracting decimals?

Back

To subtract decimals, align the decimal points and subtract each column starting from the right, borrowing if necessary.

Front

Find the difference: 80.93 - 68

Back

12.93

Front

Find the difference: 7.05 - 4.6

Back

2.45

Front

Find the sum: 32.15 + 24.15

Back

56.30

Front

Tamara is able to jump 17.6 feet. The world record in the long jump is 39.3 feet. What is the difference?

Back

21.7

Front

Add: 55.78 + 4.6

Back

60.38

Front

What is 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 round a decimal?

Back

Rounding a decimal means adjusting its value to make it simpler while keeping it close to the original value.

Front

What is the value of 0.5 in fraction form?

Back

0.5 is equivalent to 1/2.