Math Problem Statement
Column A: Verbal Phrases
-
The sum of twice a number and 5
-
The difference between a number and 7
-
Three times a number decreased by 4
-
The quotient of a number and 5
-
The square of a number
-
The product of 7 and the sum of a number and
2
-
Half of a number increased by 10
-
The difference between 9 and three times a
number
-
Five more than the square of a number
-
Four times the sum of a number and 3
Column B: MathematicalExpressions
A. n - 7
B. 9 - 3n
C. 2n + 5
D. 4(n + 3)
E. n2
F. (1/2)n + 10
G. 7(n + 2)
H. n / 5
I. n
2 + 5
J. 3n - 4
Solution
Let's match the verbal phrases in Column A to the corresponding mathematical expressions in Column B:
-
The sum of twice a number and 5
- Verbal phrase: "Twice a number" means , and "the sum of that and 5" means .
- Mathematical expression: C.
-
The difference between a number and 7
- Verbal phrase: "The difference between a number and 7" means .
- Mathematical expression: A.
-
Three times a number decreased by 4
- Verbal phrase: "Three times a number" means , and "decreased by 4" means .
- Mathematical expression: J.
-
The quotient of a number and 5
- Verbal phrase: "The quotient of a number and 5" means or .
- Mathematical expression: H.
-
The square of a number
- Verbal phrase: "The square of a number" means .
- Mathematical expression: E.
-
The product of 7 and the sum of a number and 2
- Verbal phrase: "The sum of a number and 2" means , and "the product of 7 and that sum" means .
- Mathematical expression: G.
-
Half of a number increased by 10
- Verbal phrase: "Half of a number" means or , and "increased by 10" means .
- Mathematical expression: F.
-
The difference between 9 and three times a number
- Verbal phrase: "Three times a number" means , and "the difference between 9 and that" means .
- Mathematical expression: B.
-
Five more than the square of a number
- Verbal phrase: "The square of a number" means , and "five more than that" means .
- Mathematical expression: I.
-
Four times the sum of a number and 3
- Verbal phrase: "The sum of a number and 3" means , and "four times that sum" means .
- Mathematical expression: D.
Final Matching:
- C.
- A.
- J.
- H.
- E.
- G.
- F.
- B.
- I.
- D.
Any questions?
Would you like to discuss any of these in more detail? Here are 5 related questions to consider:
- How do you translate more complex verbal phrases into algebraic expressions?
- What is the importance of understanding keywords like "sum," "difference," "product," and "quotient" in algebra?
- Can you provide examples of how changing one word in a verbal phrase can change the mathematical expression?
- What strategies can help you avoid common mistakes when translating verbal phrases to algebraic expressions?
- How do you deal with verbal phrases involving multiple operations (e.g., both addition and multiplication)?
Tip: When translating verbal phrases to mathematical expressions, always pay close attention to the order of operations and keywords indicating mathematical actions.
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Math Problem Analysis
Mathematical Concepts
Algebra
Expressions
Equations
Formulas
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Theorems
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Suitable Grade Level
Grades 7-9