Understanding Inverse Operations in Algebra

Understanding Inverse Operations in Algebra

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains a number puzzle invented by Tyler, where Claire picks a number and follows a series of algebraic steps to arrive at a final answer. The tutorial breaks down the steps, simplifies the algebraic expression, and reveals the trick to solving the puzzle. It emphasizes the importance of understanding inverse operations and working backwards to find the original number. The tutorial encourages practicing with different scenarios and using language to deepen algebraic understanding.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main objective of the algebra puzzle involving Tyler and Claire?

To solve for the value of x in a quadratic equation.

To determine the sum of two numbers.

To find the original number chosen by Claire.

To calculate the average of a series of numbers.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which operation is NOT part of the initial steps in the algebra puzzle?

Dividing by 3

Subtracting 7

Multiplying by 2

Tripling the number

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the simplified expression for the puzzle after combining terms?

x + 6

x - 3

x - 6

x + 3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you find the original number if the answer is given as -3?

Add 3 to the answer

Multiply the answer by 2

Subtract 6 from the answer

Add 6 to the answer

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the inverse operation of multiplying by 3?

Dividing by 3

Subtracting 3

Adding 3

Multiplying by 1/3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using inverse operations in the puzzle?

To make the puzzle more complex

To simplify the expression further

To find the original number chosen

To check the correctness of the answer

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the operations when working backwards using addition and multiplication?

They are eliminated

They change to subtraction and division

They become more complex

They remain the same

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