Algebra 1 1-1 Guided Practice: Variables and Expressions
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by Matthew Richardson
| 12 Questions
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1
10
Problem 1 Got it? What is an algebraic expression for 18 more than a number n?
18n
18 - n
n - 18
n + 18
2
10
Problem 2 Got it? What is an algebraic expression for 6 times a number n?

Enter only the expression, in simplest form.
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10
Problem 2 Got it? What is an algebraic expression for the quotient of 18 and a number n?

Enter only the expression, in simplest form.
4
10
Problem 2 Got it? Reasoning: Do the phrases 6 less a number y and 6 less than a number y mean the same thing? Explain.
Yes, they both mean the same thing. They can also both be represented by the expression y - 6.
No, they do not both mean the same thing. 6 less a number y can be represented by the expression 6 - y. 6 less than a number y can be represented by the expression y - 6.
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10
Problem 3 Got it? What is an algebraic expression for 8 less than the product of a number x and 4?
x/4 + 8
8(x + 4)
8 - 4x
4x - 8
6
10
Problem 3 Got it? What is an algebraic expression for twice the sum of a number x and 8?
x + 2(8)
2x + 8
x(x + 8)
2(x + 8)
7
10
Problem 3 Got it? What is an algebraic expression for the quotient of 5 and the sum of 12 and a number x?

A
B
C
D
8
10
Problem 4 Got it? What word phrase can you use to represent the algebraic expression x + 8?
the number x less 8
the product of a number x and 8
the number x times 8
the sum of a number x and 8
9
10
Problem 4 Got it? What word phrase can you use to represent the algebraic expression 10x + 9?


the sum of ten times a number x and 9
the sum of a number x and 9 times 10
ten times the sum of a number x and 9
a number x more than the product of 10 and 9
10
10
Problem 4 Got it? What word phrase can you use to represent the algebraic expression?



the quotient of a number n and 3
the difference of a number n and 3
the sum of a number n and 3
the product of a number n and 3
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10
Problem 4 Got it? What word phrase can you use to represent the algebraic expression 5x - 1?




the sum of 5 and the product of 1 and a number x
five times a number x less 1
five times a number x plus 1
five more than 1 times a number x
Functionalized Placeholder
12
12
10
Problem 5 Got it? Suppose you draw a segment from any one vertex of a regular polygon to the other vertices. A sample for a regular hexagon is shown.

Use the table to find a pattern.
A
B
C
D
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