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Chapter 2: Problem 47

State at least two words or phrases that would indicate subtraction.

Short Answer

Expert verified
Minus, less, decrease by, subtract.

Step by step solution

01

Identify Common Clues for Subtraction

The first step is to identify common words or phrases that are typically associated with subtraction in mathematical problems. These words often guide us to perform a subtraction operation.
02

List Common Subtraction Keywords

Words like 'minus' and 'less' are commonly used to indicate a subtraction operation. These terms suggest that quantities are being taken away or reduced.
03

Expand the List of Subtraction Keywords

Phrases such as 'decrease by' and 'subtract' are also indicators that subtraction is needed. These phrases can help in recognizing the operation required in various problem-solving contexts.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Subtraction keywords
Subtraction keywords are essential for understanding what operation to perform in a math problem. Common words that signal subtraction include 'minus' and 'less'. These words tell us that we should take away one quantity from another. There are many other phrases that also indicate subtraction. For instance, 'decrease by' and 'subtract' are frequently seen in problem statements. Recognizing these clues can make identifying the necessary operation straightforward and helps avoid confusion. Always look for these signals when approaching a math word problem.
Mathematical terminology
Understanding mathematical terminology is crucial for solving problems effectively. When it comes to subtraction, specific terms can clarify the operations required. For example, 'difference' refers to the result of a subtraction operation. Additionally, 'deduct' is another term that means to subtract. Recognizing these terms can guide your problem-solving process. It is helpful to familiarize yourself with these keywords and what they signify. This knowledge will make it easier to tackle various math problems and understand instructions more clearly.
Problem-solving
Problem-solving in math often involves identifying the correct operation based on given clues. Subtraction problems, for instance, may use keywords like 'minus', 'less', 'decrease by', or 'subtract' to indicate what needs to be done. The first step in problem-solving is to analyze the problem statement carefully. Look for these keywords to determine if subtraction is needed. Practice identifying these clues will improve your ability to solve problems accurately and efficiently. Remember to always re-read the problem to ensure that you have understood it correctly before proceeding with the calculations. This methodical approach will enhance your math skills and confidence.

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