Subtraction
What is Subtraction?
Subtraction is the mathematical operation of finding the difference between two numbers. It is the process of taking one number away from another.Key Vocabulary
- Minuend: The number from which another number is to be subtracted.
- Subtrahend: The number that is to be subtracted from the minuend.
- Difference: The result of a subtraction operation.
How to Perform Subtraction
Subtraction is performed by subtracting the subtrahend from the minuend to find the difference.For example:7 - 3 = 4
In this example, 7 is the minuend, 3 is the subtrahend, and 4 is the difference.Subtraction Strategies
There are several strategies that can be used to perform subtraction. Some common strategies include:- Using a number line
- Counting back
- Using base-ten blocks
- Using mental math
Practice Problems
1. 9 - 5 = ? 2. 12 - 8 = ? 3. 15 - 6 = ? 4. 20 - 14 = ? 5. 25 - 11 = ?Answers
1. 9 - 5 = 4 2. 12 - 8 = 4 3. 15 - 6 = 9 4. 20 - 14 = 6 5. 25 - 11 = 14Study Tips
- Practice subtraction with different strategies to find the one that works best for you.
- Use real-life examples to practice subtraction, such as calculating change or measuring ingredients for a recipe.
- Review subtraction facts regularly to build fluency.
- Challenge yourself with word problems that involve subtraction.
[Subtraction] Related Worksheets and Study Guides:
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The resources above cover the following skills:
Algebra (NCTM)
Use mathematical models to represent and understand quantitative relationships.
Model problem situations with objects and use representations such as graphs, tables, and equations to draw conclusions.