Evaluating Exponents and Operations

Evaluating Exponents and Operations

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

This lesson covers equivalent exponential expressions, focusing on solving equations with exponents and replacing variables with numbers. It reviews the order of operations using PEMDAS and provides several examples, including solving expressions with exponents, fractions, and mixed numbers. The lesson concludes with finding solutions to equations using a list of numbers.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the acronym PEMDAS help us remember?

The order of operations in mathematics

The properties of geometric shapes

The types of numbers in algebra

The steps in solving a quadratic equation

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the order of operations, which operation should be performed first?

Addition

Multiplication

Parentheses

Exponents

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When replacing a variable with a number, why is it important to use parentheses?

To indicate division

To avoid using fractions

To show multiplication clearly

To simplify the expression

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of evaluating 3x^2 when x equals 10?

10

30

300

100

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you simplify the expression 4^3 / 4?

4

16

64

1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified form of 3 times 1/9 squared?

3/9

1/81

3/81

1/27

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of x if 2^x equals 64?

8

7

6

5

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