Bar Models for Solving Equations

Bar Models for Solving Equations

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

Mrs. Mandarino introduces bar models as a method to solve one-step equations, building on last week's lesson on hanger models. She explains how bar models can represent both addition and multiplication equations, providing examples and practice problems. The lesson concludes with assignments on Schoology.

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14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary focus of using bar models in this lesson?

To learn about different types of equations

To represent and solve one-step equations

To solve complex algebraic equations

To understand the history of bar models

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do bar models help in solving equations?

By providing a visual representation

By eliminating the need for calculations

By offering multiple solutions

By simplifying the equations

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of bar models, what does it mean when two bars are of equal length?

The bars have different values

The bars represent different equations

The bars represent the same equation

The bars are unrelated

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving an addition equation using bar models?

Multiply both bars by the same number

Divide both bars by the same number

Subtract the same value from both bars

Add the same value to both bars

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a bar model, if the purple bar is represented by x + 11 and the yellow bar by 26, what is the value of x?

11

15

37

26

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When solving a multiplication equation with bar models, what is the key step?

Subtracting a constant from each part

Breaking the total into equal parts

Multiplying each part by a constant

Adding the same value to each part

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a bar model equation is 5x = 35, what is the value of x?

5

6

7

8

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