Square and Cube Roots Worksheets
Square and cube roots are so profoundly displayed and applied in the world of construction simply put, they are essential prerequisites to starting and finishing any project in greater than three-quarters of all building board-approved projects in the last decade. A square of a value is that number when it is multiplied by itself. For example, of the forefront, 52 = 25 or 5 x 5. This leads us to the application of a square root which implies the inverse such as √25 = 5. The concept of a cube root is just one step up from squares. So, 53> = 125, but when made a cubed root it affirms as: ∛125 = 5.
Aligned Standard: Grade 8 Expressions and Equations - 8.EE.A.2
- Multiple Values For Roots Step-by-Step Lesson- I show you how radicals start to factor into this mix.
- Guided Lesson - Using roots in equations, with fractions, and in word problems.
- Guided Lesson Explanation - I find it helpful to draw pictures for word problems. That being said, I forget to add one here.
- Independent Practice - All the skills that we need to work on are here.
- Matching Worksheet - There are only a few possible choices that make sense in these problems. They are not close at all. Remember to round!
- Find the Square Root Five Pack - You're given a whole number. Find each integers square root.
- Simplify Square Roots with Negative Numbers Five Pack - Simplify these in terms of i. Why not throw an imaginary number in the mix?
- Square and Square Roots Five Pack - I kind of got sick or using "X" and "Y". So this made it more fun.
- Cube Roots Practice Worksheet - Find the cubes and cube roots of small and large integers.
- Writing Perfect Squares Five Pack - Make a perfect square. It is sometimes fun breaking apart numbers. It makes you into a mathematical hulk, of sorts!
- Answer Keys - These are for all the unlocked materials above.
Homework Sheets
Instead of just straight squares we make you work for it a bit.
- Homework 1 - Roots of a number are equal factors of the number itself.
- Homework 2 - We know the root number is an equal factor of the number.
- Homework 3 - What is the side length of a square with an area of 36 ft?
Practice Worksheets
Simplifying problems in terms of i was added to this section. I have seen this standard include that skill often.
- Practice 1 - Find the two values for √225. You will also slove basic algebra based problems.
- Practice 2 - You will work with some advanced skills on simplifying expressions in terms of i.
- Practice 3 - Leave your footprints on this one. You will need to reverse engineer a few of these.
Math Skill Quizzes
Each quiz covers a different skill within the standard.
- Quiz 1 - Find the two values for √2500. This is the type of exercise you can expect here.
- Quiz 2 - Solve for x2 = 576. You will also solve home construction related word problems.
- Quiz 3 - Simplify in terms of i (1/2)√920. Who doesn't want to do this right?
- Cube Root Quiz 4 - For questions 5 - 10 find the value of all the cube roots. You will begin by calculating end values.
What are Square and Cube Roots?
Your mathematics book is filled with squares and cube roots, isn’t it? But you do not have a clear idea about these concepts. Before you begin to comprehend what are square and cube roots, first you need to understand the underlying concepts in these terms. Both square and cube roots emerged from the concepts of being a multiplier of their self. We will start with exploring the into what the concept of a square and cube is.
Squares - Squaring is as simple as multiplying a number by itself. Written as 32. The perfect squares are those of whole numbers. For instance, 1, 4, 9, 16, and so on.
Square root - Whereas the square root performs the exact inverse operation of squaring that number. Written as for example the square root of 36 is 6, which is obtained by finding the number which, when multiplied twice gives 36. In this case, it is 6.
Cubes - Just like squaring, cubing is multiplying the same number thrice. Written as 53. The perfect cubes are 8, 27, 64, and so on.
Cube root - Cube root, on the other hand, goes the opposite direction. The cube root of 27 is 3, which means that when 3 multiplied thrice by itself makes 27.