Solving Proportions and Basic Operations

Solving Proportions and Basic Operations

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

This lesson teaches how to solve proportions using cross products. It begins with an introduction to proportions and the concept of cross products. The lesson then explains how to set up and solve equations using cross products, including isolating the variable to find the solution. The lesson concludes with a summary of the key steps involved in solving proportions with cross products.

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic of this lesson?

Solving equations using substitution

Solving proportions using cross products

Graphing linear equations

Understanding quadratic functions

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a proportion?

A product of two numbers

A sum of two numbers

Two ratios set to be equal

A single fraction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why did the teacher decide to use cross products?

Because equivalent fractions were not possible

Because it was a requirement

Because it was the only method known

Because 7 and 17 are easy to work with

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the teacher check before deciding to use cross products?

If the numbers are prime

If equivalent fractions can be made

If the numbers are even

If the numbers are odd

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in setting up cross products?

Dividing the two ratios

Subtracting the two ratios

Adding the two ratios

Setting two products equal to each other

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a proportion using cross products?

Set the cross products equal

Subtract the two ratios

Add the two ratios

Divide the two ratios

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What equation is formed when setting up the cross products?

7 - N = 13 - 17

7 + N = 13 + 17

7 / N = 13 / 17

7 * N = 13 * 17

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