Worksheet
Curated OER

Rational Root Theorem

For Students 9th - 10th
In this polynomial worksheet, students use factoring to simplify polynomials and identify its rational roots. Explanations and examples are provided. This two-page worksheet contains ten problems.
Lesson Plan
Curated OER

Number Theory - Week 12

For Teachers 12th - Higher Ed
In this number theory worksheet, students study integers and their properties. They explore the Fibonacci Sequence and approximate irrational numbers. This two-page worksheet contains eight problems.
Lesson Plan
Curated OER

Number Subsets: Winning the Number Game

For Teachers 8th
Eighth graders review their examineing about numbers and number systems through playing the Number Game. They create a list of numbers and based upon the characteristics and properties of the numbers they earn points.
Worksheet
Curated OER

Properties of Real Numbers

For Students 8th - 10th
In this algebra worksheet, students identify and use the properties of real numbers to solve problems. They identify and differentiate between rational and irrational functions. There are 13 problems.
Handout
Charleston School District

Estimating Values of Expressions

For Students 8th Standards
You can't evaluate an irrational root expression without a calculator—or can you? Scholars estimate the value of roots within an expression to approximate the value of the expression. Expressions include a mix of square roots and whole...
Lesson Plan
EngageNY

What Is Area?

For Teachers 9th - 10th Standards
What if I can no longer justify area by counting squares? Lead a class discussion to find the area of a rectangular region with irrational side lengths. The class continues on with the idea of lower approximations and...
Assessment
CCSS Math Activities

Smarter Balanced Sample Items: High School Math – Target A

For Students 9th - 12th Standards
Don't get irrational about rational exponents. A PowerPoint presentation highlights the sample high school questions from the Smarter Balanced Assessment Consortium (SBAC) Claim 1 Target A item specifications. As one part of a larger...
Activity
5280 Math

Decimal Patterns

For Teachers 8th - 10th Standards
Find patterns in the process instead of the result. Learners convert series of decimals and fractions identifying patterns along the way. The lesson includes nine problem tasks with progressively more involved patterns.
Lesson Plan
Curated OER

Real Number System

For Teachers 9th
Ninth graders discuss the real number system and its' properties. In this algebra activity, 9th graders discuss rational, irrational, closure, real numbers and the distributive property of algebra. They solve problems using these...
Lesson Plan
Curated OER

Coordinates

For Teachers 9th - 10th
Students identify and label the coordinate planes by the four different quadrants. In this geometry lesson plan, students plot an ordered pair correctly. They identify and differentiate between rational and irrational numbers.
Lesson Plan
Curated OER

Babylonian Mathematics 2

For Teachers 9th - 12th
Students research Babylonian mathematics. They calculate simple surd numbers. Students find the fractional form of rational numbers expressed as decimals. They work with numbers in base 60.
Lesson Plan
Curated OER

Order in the Classroom

For Teachers 1st
First graders define and identify integers, rational, irrational, real, and complex numbers. They place number cards in ascending and descending order.
Lesson Plan
Curated OER

Worksheet Chapter 1, 1.2-1.8 College Prep Algebra

For Teachers 8th - 12th
In this algebra worksheet, pupils complete a variety of basic algebra problems. They compare integers, identify sets of numbers, simplify equations, translate words into numerical expressions, and identify properties. This worksheet...
Worksheet
Curated OER

Properties of Real Numbers

For Students 9th
In this properties of real numbers worksheet, 9th graders solve and complete 24 different problems that include applying the various property types of real numbers. First, they name the set of numbers to which each number belongs. Then,...
Lesson Plan
Curated OER

Understanding Pi.

For Teachers 8th - 9th
Students study the relationship between circumference and diameter to come up with Pi. "In this pi instructional activity, students measure, record and find the ratio "circumference/diameter" and their average which is an approximation...
Lesson Plan
Curated OER

Number Subsets: Winning the Number Game

For Teachers 8th
Eighth graders review their understanding about numbers and number systems through playing the Number Game. They create a list of numbers and based upon the characteristics and properties of the numbers they will earn points.
Lesson Plan
Curated OER

The Large and Small of It

For Teachers 3rd - 4th
Students explore the extreme between the distance to the moon in comparison to the size of a particle of moon dust and solve problems related to the Apollo space missions.
Lesson Plan
Curated OER

Rising and Falling Fractions

For Teachers 4th - 6th
Students explore outcomes from the conversion of fractions to decimals in stock market quotes and explore fluctuating interest rates using an amortization calculator.
Lesson Plan
Curated OER

Everything You Know Is Wrong 1: Us and Them

For Teachers 9th - 12th
Students explore rational, irrational, analytical and non-analytical methods of reasoning. They participate in numerous exercises and hands-on activities to understand assumptions and how most people think. Students establish the...
Handout
Curated OER

The Number System

For Students 11th - 12th
Review complex numbers, real numbers, irrational and rational numbers, integers, and whole numbers with math students. Use this guide as a reference sheet or handout. 
Lesson Plan
EngageNY

Decimal Expansions of Fractions, Part 1

For Students 8th Standards
Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...
Lesson Plan
Curated OER

Real Numbers in the Real World

For Teachers 6th - 8th
Delve into the concept of operating on the set of real numbers! In this operating with the set of real numbers lesson, pupils perform order of operations on the set of real numbers using a calculator.
Lesson Plan
Willow Tree

Simplifying Square Roots

For Students 7th - 10th Standards
The square root of five and five do not have the same value! How many times have you addressed this with math classes? A lesson gives an explanation of a square root and gives examples for simplifying square root...
Lesson Plan
Curated OER

Worksheet 10 - Limits

For Teachers Higher Ed
In this limits worksheets, students graph tangent lines and determine the slope of a secant line. This one-page worksheet contains six multi-step problems.