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# REAL NUMBERS Word Problems - Error Analysis (Find the Error)

7th - 10th
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• PDF
Pages
14 pages

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2. 8th Grade Math COMMON CORE Assessments, Warm-Ups, Task Cards, Error Analysis, Homework Practice Worksheets, Problem Solving Graphic Organizers, Mazes, Riddles, Coloring ActivitiesThis is a GROWING BUNDLE of all of the 8th Grade MATH RESOURCES currently in my store { 52 Resources / OVER 560 PAGES }
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3. Great for online learning and distance learning!Have your students apply their understanding of math concepts with these 8th Grade ERROR ANALYSIS activities. This GROWING BUNDLE resource includes 7 sets (a total of 70 questions) of Common Core WORD PROBLEMS that are solved incorrectly. Students hav
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4. - Great for online learning and distance learning!This middle school ERROR ANALYSIS BUNDLE includes 230 real-world word problems (23 sets) that are solved incorrectly for grades 6-8. Students have to IDENTIFY THE ERROR, provide the CORRECT SOLUTION and share a helpful STRATEGY for solving the proble
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### Description

- Great for online learning and distance learning!

Have your students apply their understanding of REAL NUMBERS with these ERROR ANALYSIS activities.

Benefits of Math Error Analysis:

Giving students opportunities to identify and correct errors in presented solutions allows them to show their understanding of the mathematical concepts you have taught.

Whats Included:

This resource includes 10 real-world REAL NUMBERS word problems that are solved incorrectly. Students have to IDENTIFY THE ERROR, provide the CORRECT SOLUTION and share a helpful STRATEGY for solving the problem. An ANSWER KEY has also been provided with examples of possible answers. Be sure to download the sample for a full overview of what you get.

How to Use:

When I present this activity to my students, I tell them that these are errors that students from my other class made and I need their help to correct them. Students LOVE correcting other students mistakes. Students can use these activities with a partner, as a warm-up , as classwork, homework, in math centers or group work

Topics included:

✔ rational numbers

✔ powers and exponents

✔ monomials

✔ powers of monomials

✔ negative exponents

✔ scientific notation

✔ roots

This resource is included in my 8th Grade Common Core MEGA-BUNDLE!

Feedback on this resource:

♥ This is an excellent product! It really made the kids have to think through the answers :) Thank you!

♥ This is a great resource and will be very helpful this year taking my students to the next level of problem solving. Thank you.

♥ Excellent! Really enables the students to think and review what someone else did wrong. Thank you!

Common /core Aligned aligned with :

* 8.NS.1- Know that numbers that are not rational are called irrational. Understand informally that every number has a decimal expansion;

* 8.NS.2 - Use rational approximations of irrational numbers to compare the size of irrational numbers, locate them approximately on a number line diagram, and estimate the value of expressions.

* 8.EE.1 - Know and apply the properties of integer exponents to generate equivalent numerical expressions.

* 8.EE.2 - Use square root and cube root symbols to represent solutions to equations of the form x2 = p and x3 = p, where p is a positive rational number.

* 8.EE.3 - Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large or very small quantities, and to express how many times as much one is than the other.

* 8.EE.4 - Perform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used.

* MP3 - Construct viable arguments and critique the reasoning of others.

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Total Pages
14 pages
Included
Teaching Duration
45 minutes
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### Standards

to see state-specific standards (only available in the US).
Know that numbers that are not rational are called irrational. Understand informally that every number has a decimal expansion; for rational numbers show that the decimal expansion repeats eventually, and convert a decimal expansion which repeats eventually into a rational number.
Use rational approximations of irrational numbers to compare the size of irrational numbers, locate them approximately on a number line diagram, and estimate the value of expressions (e.g., π²). For example, by truncating the decimal expansion of √2, show that √2 is between 1 and 2, then between 1.4 and 1.5, and explain how to continue on to get better approximations.
Construct viable arguments and critique the reasoning of others. Mathematically proficient students understand and use stated assumptions, definitions, and previously established results in constructing arguments. They make conjectures and build a logical progression of statements to explore the truth of their conjectures. They are able to analyze situations by breaking them into cases, and can recognize and use counterexamples. They justify their conclusions, communicate them to others, and respond to the arguments of others. They reason inductively about data, making plausible arguments that take into account the context from which the data arose. Mathematically proficient students are also able to compare the effectiveness of two plausible arguments, distinguish correct logic or reasoning from that which is flawed, and-if there is a flaw in an argument-explain what it is. Elementary students can construct arguments using concrete referents such as objects, drawings, diagrams, and actions. Such arguments can make sense and be correct, even though they are not generalized or made formal until later grades. Later, students learn to determine domains to which an argument applies. Students at all grades can listen or read the arguments of others, decide whether they make sense, and ask useful questions to clarify or improve the arguments.
Know and apply the properties of integer exponents to generate equivalent numerical expressions. For example, 3² × (3⁻⁵) = (3⁻³) = 1/3³ = 1/27.
Use square root and cube root symbols to represent solutions to equations of the form 𝘹² = 𝘱 and 𝘹³ = 𝘱, where 𝘱 is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that √2 is irrational.