I started using choice boards last year and LOVE them! I never gave my students the opportunity to be creative in my classroom. For years, it was notes, homework, and repeat until the test. These choice boards give students the ability to express themselves within their particular learning style. I have been so impressed with the results I get from my students.
This choice board focuses on rational and irrational numbers. Also included in this file are mini posters that describe each option on the choice board. I put these on a bulletin board that hangs all year, as we do a number of choice boards. You can also show them on a projector when introducing the choice board to your class. I like to distribute the choice boards at the beginning of the unit and give them a due date around the test.
When my students did their first choice board, I gave them a period in class to work on it. Following choice boards were completed entirely on their own time. I have also created and included a general rubric that you can use for any choice board item. To differentiate, I occasionally allow lower level students to complete two choices (I will cross out a row). The other option for differentiation is to reduce the number required for a particular choice. For example, have a student create two story problems rather than four. I also give students extra credit for any choices that they complete beyond the minimum.
I have created 14 choice boards for 8th grade common core math covering the following topics:
1. Introducing Transformations
2. Understanding Congruence
3. Understanding Similarity
4. Rational and Irrational Numbers
5. Pythagorean Theorem
7. Introduction to Linearity
8. Bivariate Data
9. Nonlinear Functions
10. Solving Linear Equations
11. Systems of Linear Equations
12. Exponents and Scientific Notaiton
13. Geometric Relationships
14. Volume of Cones, Spheres, and Cylinders
You can purchase them together in my Common Core Math -CHOICE BOARD BUNDLE and get 50% off!!!
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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.
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.
Common Core Math - CHOICE BOARD Rational & Irrational Numbers
by Kimberly Wasylyk
is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License