Algebra 1 1-1 Guided Practice: Variables and Expressions

Last updated over 5 years ago
21 questions
10

Solve It! Consider the population of Florida, the area of Colorado, and the flight time from Philadelphia to San Fransisco.


Which of these has a value that varies? Select the most appropriate option.

10

Take Note: What is a mathematical quantity?

10

Take Note: What is a variable?

10

Take Note: What is an algebraic expression?

10

Take Note: Provide an example of an algebraic expression.

10

Take Note: What is a numerical expression?

10

Take Note: Provide an example of a numerical expression.

10

Problem 1 Got it? What is an algebraic expression for 18 more than a number n?

10

Take Note: Match each mathematical operation on the left with the name for its result on the right.

Draggable itemCorresponding Item
Add
Sum
Subtract
Difference
Multiply
Product
Divide
Quotient
10

Problem 2 Got it? What is an algebraic expression for 6 times a number n?

Enter only the expression, in simplest form.

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.

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.

10

Problem 3 Got it? What is an algebraic expression for 8 less than the product of a number x and 4?

10

Problem 3 Got it? What is an algebraic expression for twice the sum of a number x and 8?

10

Problem 3 Got it? What is an algebraic expression for the quotient of 5 and the sum of 12 and a number x?

10

Problem 4 Got it? What word phrase can you use to represent the algebraic expression x + 8?

10

Problem 4 Got it? What word phrase can you use to represent the algebraic expression 10x + 9?

10

Problem 4 Got it? What word phrase can you use to represent the algebraic expression \frac{n}{3}?

10

Problem 4 Got it? What word phrase can you use to represent the algebraic expression 5x - 1?

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.

10

Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?