Understanding Bar Models in Word Problems

Understanding Bar Models in Word Problems

Assessment

Interactive Video

Mathematics

3rd - 4th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial explains how to solve word problems using bar models. It introduces the concept of identifying known and unknown parts of a problem, using a seashell collection scenario as an example. The tutorial guides students through reading the problem, identifying the parts, using bar models to visualize the problem, and formulating an answer sentence. Finally, it demonstrates solving the problem by subtracting known parts from the total to find the unknown part.

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using bar models in word problems?

To confuse the solver

To eliminate the need for calculations

To visualize known and unknown parts

To make the problem more complex

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the word problem, how many total seashells did Stella find?

200

126

248

122

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total number of seashells Stella found?

100

122

126

248

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many of Stella's seashells were white?

100

126

248

122

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unknown part in Stella's seashell problem?

Total number of seashells

Number of broken seashells

Number of white seashells

Number of non-white seashells

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in using a bar model for this problem?

Solve the problem

Write the answer sentence

Label the unknown part

Draw the bar model

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a word problem using a bar model?

Identify the unknown part

Label the known parts

Draw the bar model

Write the answer sentence

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