Evaluating Expressions with Variables

Evaluating Expressions with Variables

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Practice Problem

Hard

CCSS
6.EE.A.2C, 7.NS.A.1C, 6.EE.A.1

+2

Standards-aligned

Created by

Aiden Montgomery

FREE Resource

Standards-aligned

CCSS.6.EE.A.2C
,
CCSS.7.NS.A.1C
,
CCSS.6.EE.A.1
CCSS.7.NS.A.2A
,
CCSS.7.NS.A.2B
,
The video tutorial explains how to evaluate a mathematical expression by substituting given values for variables x and y. It demonstrates the process of substitution, applying the order of operations, and performing calculations to arrive at the final result. The expression involves squaring a number, multiplying, and adding constants, ultimately leading to a negative result.

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expression that needs to be evaluated when x = 7 and y = 1?

-3x^2 - 10y + 4

3x^2 + 10y + 4

-3x^2 + 10y + 4

3x^2 - 10y + 4

Tags

CCSS.6.EE.A.2C

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in simplifying the expression after substituting x = 7?

Add 4 to the result

Calculate 7 squared

Multiply -3 by 7

Add 10 to y

Tags

CCSS.6.EE.A.1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 7 squared?

42

49

56

63

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of multiplying -3 by 49?

-147

147

-150

150

Tags

CCSS.6.EE.A.2C

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final result of the expression after all calculations?

147

-133

133

-147

Tags

CCSS.7.NS.A.1C

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value added to -147 to get the final result?

10

7

4

14

Tags

CCSS.7.NS.A.1C

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