Decimals in Action: Completing Addition and Subtraction Sentences
When working with decimals, we often encounter incomplete sentences or equations that require us to fill in the missing piece. These can be in the form of missing addends, subtrahends, minuends, or even the result itself. Let's explore how to approach and solve these types of problems.
Completing Decimal Addition or Subtraction Sentences
Example 1: Completing an Addition Sentence
\(3.45 + \_ = 7.89\)
Solution Process:
Subtract \(3.45\) from \(7.89\).
Answer:
The missing addend is \(4.44\).
The Absolute Best Book for 5th Grade Students
Example 2: Completing a Subtraction Sentence
\(8.23 – \_ = 5.78\)
Solution Process:
Subtract \(5.78\) from \(8.23\).
Answer:
The missing subtrahend is \(2.45\).
Completing decimal addition or subtraction sentences is a valuable skill that tests your understanding of the operations and your ability to manipulate decimals. By identifying the known values and using addition or subtraction, you can find the missing piece of the equation. This skill not only reinforces your foundational knowledge of decimals but also enhances your problem-solving abilities. With regular practice, you’ll become adept at quickly and accurately completing these sentences, making you a true decimal detective.
Practice Questions:
1. \(4.56 + \_ = 9.01\)
2. \(7.89 – \_ = 3.45\)
3. \(2.34 + \_ = 6.78\)
4. \(9.01 – \_ = 4.56\)
5. \(5.67 + \_ = 8.90\)
A Perfect Book for Grade 5 Math Word Problems!

Answers:
1. \(4.45\)
2. \(4.44\)
3. \(4.44\)
4. \(4.45\)
5. \(3.23\)
The Best Math Books for Elementary Students
Related to This Article
More math articles
- Algebra Puzzle – Challenge 50
- The Ultimate 6th Grade MCA Math Course (+FREE Worksheets)
- 5th Grade FSA Math FREE Sample Practice Questions
- How to Solve Word Problems of Dividing Two-Digit Numbers By One-digit Numbers
- Getting Better at Math: Realistic Tips and Suggestions
- Best Coronavirus Resources for Students
- FREE DAT Quantitative Reasoning Math Practice Test
- How to Master Decimals: From Words to Numbers!
- Top 10 Tips to Overcome CLEP College Math Anxiety
- How to Make Your Investments Last and Grow Using Math


















What people say about "Decimals in Action: Completing Addition and Subtraction Sentences - Effortless Math: We Help Students Learn to LOVE Mathematics"?
No one replied yet.