Add and Subtract Decimals

Addition and Subtraction of Decimals

Here are several other terms that can be used to describe addition:

1. Sum

2. Total

3. Plus

4. Increased by

5. Added to

6. More than

7. Altogether

8. Combine

9. Gain

10. Join

(+)

Here are several terms that can describe subtraction or a negative result:

1. Difference

2. Minus

3. Subtract

4. Less

5. Decrease

6. Take away

7. Deduct

8. Reduce

9. Withdraw

10. Deficit

​ (-)

Remember

- Always line up the decimal points and fill in any empty space with zeroes

- Add or subtract digits in the same place value position.

- Bring the decimal straight down into the answer

Multiple Choice

The sum of 2.53 and 4.26 is ___________?

• 6.79

• 6.78

• 6.75

• 5.79

Do you have any questions? Any clarification?

Multiple Choice

234.45 added to the difference of 89.8 and 23.765 is _________.?

• 300.09

• 300.485

• 300.45

• 300.765

Multiple Choice

Before the Enhanced Community Quarantine, the weight of Ana is 56.3kilograms. By

staying at home for 1 month, her weight becomes 59.5 kg. How much weight did she gain

after the ECQ?

• 3.3

• 3.4

• 3.2

• 3.6