Adding and Subtracting Decimals

Front

What is the result of 100 - 9.046?

Back

90.954

Front

What is 7.9 - 3.47?

Back

4.43

Front

What is 21 + 4.09?

Back

25.09

Front

What is 2 - 0.43?

Back

1.57

Front

What is 6.59 - 2.47?

Back

4.12

Front

Define 'decimal'.

Back

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

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 does it mean to 'subtract decimals'?

Back

Subtracting decimals involves aligning the decimal points and subtracting the numbers as you would with whole numbers.

Front

How do you align decimals when adding or subtracting?

Back

You write the numbers one above the other, ensuring the decimal points are in the same vertical line.

Front

What is the importance of place value in adding and subtracting decimals?

Back

Place value helps in correctly aligning the numbers and ensuring accurate calculations.