Illustrative Mathematics
Illustrative Mathematics: 8.ns Placing a Square Root on the Number Line
This task develops students' number sense of squares and square roots. They are to find an approximation of a less obvious square root of a number to see where it would fall on a number line. To do this, they must examine perfect squares...
Illustrative Mathematics
Illustrative Mathematics: N cn.c.7 and a rei.b.4.a: Completing the Square
The goal of this task is to solve quadratic equations with complex roots by completing the square. Aligns with N-CN.C.7 and A-REI.B.4.aI.
CK-12 Foundation
Ck 12: Algebra: Square Roots and Irrational Numbers
[Free Registration/Login may be required to access all resource tools.] Learn how to find square roots and identify irrational numbers.
Illustrative Mathematics
Illustrative Mathematics: N Cn, a Rei Complex Square Roots
Working with complex numbers allows us to solve equations that cannot be solved with real numbers. Here we will investigate complex numbers which arise as square roots of certain complex numbers. Aligns with N-CN.A.2 and A-REI.A.1.
Khan Academy
Khan Academy: Quadratics by Taking Square Roots
Solve quadratic equations of the form (x+a)^2-b=0. These can be solved using square roots. For example, solve (x-5)$2-4=0.
PBS
Pbs Learning Media: Exponents and Radicals: Targeted Math Instruction
This lesson focuses on exponents and radicals as they apply to problems involving squares, perfect squares, and square roots.
Better Lesson
Better Lesson: Tap and Say an Activity for Segmenting Words
You can add a phonemic awareness activity to your phonics lessons each day and it will only add a few extra minutes to your lessons. You also don't need to buy expensive manipulatives for your students to use. There are lots of low-cost...
San Diego State University
World History for Us All: World Politics and Global Economy After Ww Ii [Pdf]
It is imperative that young scholars understand what happened in Europe after WWII, so they may gain a deep knowledge of our contemporary world, including its key economic, social, and political developments. This in-depth unit covers...
University of Cambridge
University of Cambridge: Nrich: Irrational Proof
This site contains a proof that the square roots of all prime numbers are irrational.
CK-12 Foundation
Ck 12: 2.6 Solving Radical Equations
This section explores the process for solving radical equations, including those with square, third, and fourth roots. It also investigates how, when, and why some solutions that appear to be correct are incorrect, and are therefore...
BBC
Bbc: Higher Bitesize Maths: Quadratic Theory
A tutorial on quadratics presents topics including: factoring and solving quadratics, graphing quadratic functions, using completing the square and the quadratic formula to solve functions, the discriminant and conjugates. Plenty of...
Math Aids
Math Aids: Exponents & Radicals Worksheets
Great resource to practice and strengthen math skills pertaining to exponents and radicals. Math worksheets are printable, may be customized, and include answer keys.