Standard Form: Worksheets with Answers
Whether you want a homework, some cover work, or a lovely bit of extra practise, this is the place for you. And best of all they all (well, most!) come with answers.
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Standard Form Practice Questions
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Standard Form Worksheet and Answer Key
Students will practice working with the Standard Form Equation of a Line including finding the X and Y-intercept s, Graphing Standard Form Equations and converting Slope Intercept to Standard Form .
Example Questions
Find the x - and y - intercepts of the Standard Form Linear Equations below.
Write each equation in Standard Form using integer coefficients for A, B and C.
Graph each line using intercepts.
Other Details
This is a 4 part worksheet:
- Part I Model Problems
- Part II Practice
- Part III Challenge Problems
- Part IV Answer Key
- Slope Intercept Form to Standard Form
- Slope Intercept to Standard Form
- Standard to Slope Intercept
- Equation of Line Formulas
- Linear Equation Links, Lessons and Tutorials
- Standard Form to Point Slope Form
- Point Slope to Standard Form
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Standard Form worksheets
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Standard Form
What is "Standard Form"?
that depends on what you are dealing with!
I have gathered some common "Standard Form"s here for you..
Note: Standard Form is not the "correct form", just a handy agreed-upon style. You may find some other form to be more useful.
Standard Form of a Decimal Number
In Britain this is another name for Scientific Notation , where you write down a number this way:
In other countries it means "not in expanded form" (see Composing and Decomposing Numbers ):
Standard Form of an Equation
The "Standard Form" of an equation is:
(some expression) = 0
In other words, "= 0" is on the right, and everything else is on the left.
Example: Put x 2 = 7 into Standard Form
x 2 − 7 = 0
Standard Form of a Polynomial
The "Standard Form" for writing down a polynomial is to put the terms with the highest degree first (like the "2" in x 2 if there is one variable).
Example: Put this in Standard Form:
3 x 2 − 7 + 4 x 3 + x 6.
The highest degree is 6, so that goes first, then 3, 2 and then the constant last:
x 6 + 4 x 3 + 3 x 2 − 7
Also, within each term, it is nice to have the variables in alphabetical order (if it does not make things more confusing):
yzx 2 + 4 yx 3
The highest degree is 3, so that goes first, also put the variables in alphabetical order
4 x 3 y + 3 x 2 yz
Standard Form of a Linear Equation
The "Standard Form" for writing down a Linear Equation is
Ax + By = C
A shouldn't be negative, A and B shouldn't both be zero, and A , B and C should be integers.
Bring 3x to the left:
−3x + y = 2
Multiply all by −1:
3x − y = −2
Note: A = 3, B = −1, C = −2
Ax + By + C = 0
is sometimes called "Standard Form", but is more properly called the "General Form".
Standard Form of a Quadratic Equation
The "Standard Form" for writing down a Quadratic Equation is
( a not equal to zero)
Expand "x(x−1)":
x 2 − x = 3
Bring 3 to left:
x 2 − x − 3 = 0
Note: a = 1, b = −1, c = −3
Standard Form of a Circle Equation
With a circle like this:
The Standard Form is this:
(x−a) 2 + (y−b) 2 = r 2
See Circle Equations for more details.
What is standard form?
Standard form helps us represent numbers and equations clearly and consistently. Let’s explore the concept in more detail!
Author Michelle Griczika
Published Sep 22nd, 2023
- Key takeaways
- Standard form is a concept that helps us to consistently represent numbers and equations
- Fractions and equations can be written in standard forms
Table of contents
- Standard form explained
How to write numbers in standard form
Standard form is an important mathematical concept that helps us represent numbers and equations clearly and consistently. It may sound a bit technical, but don’t worry! In this article, we’ll explore standard form in a simple and clear way. Let’s get started!
Let’s start by understanding what standard form really means.
Standard form is a special way of writing numbers or equations that helps us easily compare and work with them .
In standard form, numbers are written as a multiplication of two parts: a number between 1 and 10 and a power of 10. Let’s break it down with some examples.
To write numbers in standard form, we follow a simple process.
First, we identify the number between 1 and 10 and then determine how many times we need to multiply it by 10 to get the original number.
Let’s take the number 5,000 as an example. We can write it in standard form as 5 x 10^3. The number 5 is between 1 and 10, and we multiply it by 10 three times to get 5,000.
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Number and place value, addition and subtraction, multiplication and division, operations (asmd), shape/geometry, ratio and proportion, probability, sample questions, advanced topics in standard form.
Now, let’s explore some advanced topics in standard form. Don’t worry if it seems a little challenging at first; understanding these concepts will help you as you progress in your mathematical journey.
Standard form of fractions
You can use standard form with fractions. When dealing with fractions, we can write the numerator and denominator in standard form separately.
Here’s one example of standard format: the fraction 3/20 can be expressed as 3 x 10^0 / 2 x 10^1. When we simplify it, we get 1.5 x 10^-1. It’s like magic!
Explore standard form with DoodleMaths
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Standard form of equations
Equations can also be written in standard form. Let’s start with linear equations.
In standard form, a linear equation looks like this: Ax + By = C. The letters A, B, and C represent numbers we need to find.
Quadratic equations also have a standard form, written as Ax^2 + Bx + C = 0.
Linear equation standard form
The standard form is represented in linear equations as Ax + By = C, where A, B, and C are constants. This form clearly lets us see the coefficients (the numbers multiplying x and y).
For example, the equation 2x + 3y = 7 is in standard form. Therefore, we can easily compare the coefficients by writing equations in this form and see how x and y are related!
Quadratic equation standard form
Quadratic equations also have a standard form, written as Ax^2 + Bx + C = 0. This form helps us identify the quadratic, linear, and constant coefficients.
For instance, the equation x^2 – 5x + 6 = 0 is in standard form. By expressing quadratic equations this way, we can quickly recognise the coefficients and understand the behaviour of the quadratic function.
Standard form of polynomials
You can write polynomials with multiple terms in standard form, too. We arrange the terms in descending order of their degree, which means the highest power comes first, followed by the others.
For example, the polynomial 5x^2 – 2x^3 + 3x^4 – 7x + 1 can be written in standard form as 3x^4 – 2x^3 + 5x^2 – 7x + 1.
FAQs about standard form
Standard form in maths refers to representing numbers or equations in a consistent format that includes a coefficient and a power of 10.
An example of standard form is 4.2 x 10^2, which represents the number 420.
Yes, standard form and scientific notation are the same concepts! Both involve writing numbers as a coefficient multiplied by a power of 10.
In summary...
Congratulations! You’ve now gained a solid understanding of standard form — a powerful tool in maths.
Remember, standard form is all about breaking down numbers and equations into parts that are easy to understand and work with. Whether writing numbers in standard form or expressing fractions, standard form simplifies how we communicate and solve mathematical problems.
If you want to further enhance your skills, be sure to check out the DoodleMaths app . It’s filled with engaging activities and exercises that will help reinforce your understanding of standard form and many other mathematical concepts!
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Lesson credits
Michelle Griczika
Michelle Griczika is a seasoned educator and experienced freelance writer. Her years teaching first and fifth grades coupled with her double certification in elementary and early childhood education lend depth to her understanding of diverse learning stages. Michelle enjoys running in her free time and undertaking home projects.
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Standard Form
Learn about standard form., standard form lesson, definition of standard form.
Standard form is the standard way of writing something. In mathematics, there are many different standard forms. For example, there is a standard form for writing a number, an equation, a polynomial, and so forth.
We will go through the most common algebraic standard forms in this lesson.
Standard Form of a Number
Writing numbers in standard form is also known as scientific notation. The form is given as:
Where C is a decimal number between 0 and 10, such as 6.35. C is shown with two decimal places in the following example. However, we can write out as many decimal places as necessary.
Example problem:
Write the number 36,500 in standard form, also known as scientific notation.
- Let's move the decimal to the left 4 places so that C = 3.65. C will need to be multiplied by 10 4 to equal 36,500.
- The number is written in standard form as 3.65 x 10 4 .
Standard Form of a Polynomial
A polynomial is in standard form if the terms' exponents are in descending order. In other words, the term with the highest power should be furthest to the left and the term with the lowest power should be furthest to the right.
Rewrite the polynomial 3x 2 + x - 2x 3 + 6 in standard form.
- Let's rearrange the terms so that the exponents are in descending order.
- 3x 2 + x - 2x 3 + 6 → -2x 3 + 3x 2 + x + 6
- The polynomial is rewritten in standard form as -2x 3 + 3x 2 + x + 6.
Standard Form of an Equation
An equation is in standard form if it is set equal to zero. For example, the equation 4y 3 + y = 5 can be rearranged to standard form by moving the 5 to the left side of the equals sign. Standard form of this equation is 4y 3 + y - 5 = 0.
Standard Form of a Linear Equation
The standard form of a linear equation is given as:
Ax + By = C
Where A , B , and C are constants, and x and y are variables. This standard form is only applicable for the equation of a line.
Rewrite the equation y = 4x + 2 in standard form.
- The equation is currently in slope intercept form. Let's move the term 4x over to the left side of the equals sign.
- y = 4x + 2 → -4x + y = 2
- The linear equation is written as -4x + y = 2 in standard form.
Standard Form of a Quadratic Equation
The standard form of a quadratic equation is given as:
ax 2 + bx + c = 0
Where a , b , and c , are constants, and x is a variable.
Rewrite the quadratic -4x - 12 = 2x 2 in standard form.
- We must have all nonzero terms on one side of the equals, and the zero term on the other side of the equals. The nonzero terms must also be in descending order of exponent power.
- -4x - 12 = 2x 2 → 2x 2 + 4x + 12 = 0
- The quadratic is written as 2x 2 + 4x + 12 = 0 in standard form.
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Standard form - homework
Subject: Mathematics
Age range: 14-16
Resource type: Worksheet/Activity
Last updated
4 June 2024
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This homework is designed to support GCSE pupils learning of standard form. The exercise is suitable for all abilities and will help students retain the information learned from the lesson. I put these two topics together to fit in with Exam-boards scheme of work.
This resource will take students through writing standard and ordinary form as well as testing their ability on adding, subtracting, multiplying and dividing standard form. The homework offers questions that increase in difficulty allowing accessibility and challenge. Exam and more problem solver type questions are also included. The sheet also gives the students a chance to reflect on their learning.
Homework includes
Recall questions (previous topic) Topic skill questions Applied questions/ Exam questions Random problem solver Reflection page Solutions, solutions, solutions
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Standard form
Standard form is a term commonly used to describe the most typical form of an object (like a number, expression, equation, etc.) used in a number of different topics. In this case, standard form refers to the standard form of a linear equation. The standard form of a linear equation is given by the equation:
Ax + By = C
where A, B, and C are constants.
Standard form is useful because the x- and y-intercepts of the line can be easily found by setting x or y equal to 0, then solving for the desired variable. Doing so results in the general formulas for finding the x and y-intercept given a linear equation in standard form:
One of the key benefits of the standard form of a linear equation over point-slope form and slope-intercept form is the ease with which it can be used to find the x-intercept. Finding the x-intercept using either of these two other forms is more tedious than it is with standard form.
Once the x and y-intercepts are found, the line can be graphed by plotting the x and y-intercepts then drawing a line connecting the intercepts.
3x + 2y = 6
Depending on the linear equation, it can be easier to graph a line given an equation in slope-intercept or point-slope form, since it can be tedious to calculate the x and y-intercepts given an equation in standard form. Equations in slope-intercept and point-slope form include the slope of the line, and a point on the line, which can be immediately read from the equation. Thus, plotting the line doesn't require any calculation of the intercepts.
Converting to standard form
Different forms of linear equations are useful for different applications. For example, when solving systems of linear equations, it is helpful to first convert the equation into standard form. Slope-intercept and point-slope form are two commonly used forms of a linear equation that, while useful for graphing, are not useful for solving systems of linear equations. It is therefore important to know how to convert between various forms of linear equations to best suit the application.
Converting from point-slope or slope-intercept form to standard form involves moving all the variables to one side of the equation, moving the constant to the other side, then manipulating the equation as necessary such that the coefficients of the terms of the equation are integers.
Convert the following linear equations to standard form.
1 . y = -3/4x + 2:
3/4x + y = 2
3x + 4y = 8
2 . y - 2 = 3/4(x - 8):
y - 2 = 3/4x - 6
-3/4x + y = 4
-3x + 4y = 16
Other forms of a linear equation also exist, but the above are a few of the most common.
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Mathster is a fantastic resource for creating online and paper-based assessments and homeworks. They have kindly allowed me to create 3 editable versions of each worksheet, complete with answers. Worksheet Name. 1. 2. 3. Non-Standard to Standard Form. 1. 2.
Standard Form Practice Questions - Corbettmaths. Welcome. Videos and Worksheets. Primary. 5-a-day.
Free worksheet(pdf) and answer key on the standard form equation of a line. 31 scaffolded questions that start relatively easy and end with some real challenges. Plus model problems explained step by step
A set of standard form numbers to be written as an ordinary number. Convert between ordinary numbers and standard form. A mixture of problems where some numbers need to be converted to standard form, and vice versa. Adding in standard form. Adding two numbers given in standard form.
Standard Form (with Solutions) This are great summary questions on Standard Form. The questions are carefully selected and cover the full range of expected GCSE skills. There are three sections, which I have labelled as Bronze-Silver-Gold. The Gold Questions at the end, will get the Higher achieving students thinking.
Standard Form of a Decimal Number. In Britain this is another name for Scientific Notation, where you write down a number this way:. In this example, 5326.6 is written as 5.3266 × 10 3, because 5326.6 = 5.3266 × 1000 = 5.3266 × 10 3. In other countries it means "not in expanded form" (see Composing and Decomposing Numbers):
The standard form is represented in linear equations as Ax + By = C, where A, B, and C are constants. This form clearly lets us see the coefficients (the numbers multiplying x and y). For example, the equation 2x + 3y = 7 is in standard form. Therefore, we can easily compare the coefficients by writing equations in this form and see how x and y ...
The standard form of a quadratic equation is given as: ax2 + bx + c = 0. Where a, b, and c, are constants, and x is a variable. Example problem: Rewrite the quadratic -4x - 12 = 2x 2 in standard form. Solution: We must have all nonzero terms on one side of the equals, and the zero term on the other side of the equals.
Standard form - homework. Subject: Mathematics. Age range: 14-16. Resource type: Worksheet/Activity. File previews. DOC, 107.39 KB. This homework is designed to support GCSE pupils learning of standard form. The exercise is suitable for all abilities and will help students retain the information learned from the lesson.
The standard form of a linear equation is given by the equation: Ax + By = C. where A, B, and C are constants. Standard form is useful because the x- and y-intercepts of the line can be easily found by setting x or y equal to 0, then solving for the desired variable. Doing so results in the general formulas for finding the x and y-intercept ...