Understanding Proportions and Equations

Understanding Proportions and Equations

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to find missing values in a table by identifying complete input-output sets, creating fractions, and using cross multiplication. It demonstrates isolating the variable and solving the equation to find the missing value, with a practical example of calculating the missing output when the input is given.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding a missing value in a table?

Identify a complete set of inputs and outputs.

Divide both sides by the same number.

Perform cross multiplication.

Isolate the variable.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a complete set of inputs and outputs, what does 'x' represent?

Numerator

Denominator

Input

Output

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you create a fraction from a complete set of inputs and outputs?

Make the output the numerator and the input the denominator.

Make the input the numerator and the output the denominator.

Add the input and output together.

Subtract the input from the output.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of setting up a proportion in this context?

To find the sum of inputs and outputs.

To compare two fractions in the table.

To identify the largest value.

To eliminate the missing value.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When identifying the missing value, what do you write in place of the missing output?

The number zero

The letter 'x'

The input value

The average of other outputs

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What operation is used to find the missing number in the table?

Addition

Subtraction

Cross multiplication

Division

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in cross multiplication?

Multiply the numerators together.

Multiply the denominators together.

Multiply the numerator of one fraction by the denominator of the other.

Add the fractions together.

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