Mistakes and Methods in Solving Equations

Mistakes and Methods in Solving Equations

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explores different methods to solve equations with parentheses, focusing on division and the distributive property. It analyzes student methods, highlights common mistakes, and compares the efficiency of each approach. The tutorial concludes with a discussion on checking solutions and the importance of choosing the right method based on the equation's complexity.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main focus when solving equations with parentheses?

Identifying the most efficient method

Finding the most complex method

Using only the distributive property

Avoiding the use of division

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When using the distributive property, what is the first step?

Subtract the number inside the parentheses

Divide the entire equation by the number outside the parentheses

Multiply the number outside the parentheses by each term inside

Add the numbers inside the parentheses

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of dividing both sides of an equation by the number outside the parentheses?

The equation becomes more complex

The terms inside the parentheses are isolated

The equation is solved immediately

The terms inside the parentheses are multiplied

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What mistake did Noah make in his method?

He subtracted instead of adding

He divided by the wrong number

He added a number outside the parentheses

He used the distributive property incorrectly

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the correct step that Andre took in his method?

He multiplied by 18

He divided by 18

He added 18 to both sides

He subtracted 18 from both sides

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do if subtraction is inside the parentheses?

Add the same number to both sides

Subtract the same number from both sides

Multiply by the reciprocal

Ignore the subtraction

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common mistake when using the distributive property?

Forgetting to multiply each term inside the parentheses

Using the wrong variable

Dividing instead of multiplying

Adding numbers incorrectly

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