Adding and subtracting decimals

Front

What is the result of 8 + (-2)?

Back

6

Front

Calculate 13.08 + 7.456.

Back

20.536

Front

What is 13.080 - 7.486?

Back

5.594

Front

Solve 6.59 + (−7.8) − (−2.41).

Back

1.2

Front

What is the result of -5 + 9?

Back

4

Front

Define '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 a negative number?

Back

Adding a negative number is the same as subtracting the absolute value of that number.

Front

Explain how to align decimals when adding or subtracting.

Back

When adding or subtracting decimals, align the numbers by their decimal points to ensure proper place value.

Front

What is the importance of place value in decimal operations?

Back

Place value determines the value of each digit in a number, which is crucial for accurate addition and subtraction.

Front

What is the result of 0.5 + 0.25?

Back

0.75