Add and Subtract Decimals with pictures

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would with whole numbers, placing the decimal point in the sum directly below the other decimal points.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, placing the decimal point in the difference directly below the other decimal points.

Front

What is the value of 39.47 - 42.6?

Back

The value is -3.13.

Front

What is the sum of 7.7 + 5.6?

Back

The sum is 13.3.

Front

What is the expression to find the sum of 5.9 + 25.64?

Back

The expression is 5.9 + 25.64.

Front

What is 3 - 1.7?

Back

The answer is 1.3.

Front

What is 0.8 - 0.32?

Back

The answer is 0.48.

Front

What does it mean to find the difference between two numbers?

Back

Finding the difference means subtracting one number from another.

Front

What is the importance of aligning decimal points when adding or subtracting?

Back

Aligning decimal points ensures that each digit is in the correct place value, which is crucial for accurate calculations.