Math Fortress
Algebra I: Variables (Level 1 of 2) | Variables, Numerical Expressions, Simplifying, Evaluating
This video will teach you the fundamentals of algebra. You will learn about variables, variable expressions, numerical expressions, simplifying and evaluating algebraic expressions.
Curated Video
Exponents
Exponents demonstrates the meaning of exponents by writing and evaluating numerical expressions with whole number exponents.
Brian McLogan
Why do we simplify numeric expressions
👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Brian McLogan
Evaluating a numeric expression by applying the order of operations
👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Brian McLogan
Apply the order of operations to simplify a large numeric expression
👉 Learn how to simplify mathematics expressions. A mathematis expression is a finite combination of numbers and symbols formed following a set of operations or rules. To simplify a mathematics expression means to reduce the expression...
Curated Video
Comparing Numerical Expressions without Evaluation
In this video, the teacher explains how to compare the value of numerical expressions without actually evaluating them. They use reasoning about multiplication and addition to determine the relationships between different expressions.
Curated Video
Compare a Numerical and Verbal Expression
In this short video lesson we will compare a numerical and a verbal expression to answer a standardized math test question. We will identify the numerical expression. We will identify and interpret the verbal expression. We will consider...
Math Fortress
GRE Arithmetic: Fractions (Part 3 of 5)
This video is a review of basic arithmetic for the purpose of solving problems on the quantitative reasoning section of the GRE revised General Test. This video covers the basics of fractions. Topic covered: multiplication of fractions.
Curated Video
Identify Equivalent Numerical and Word Expressions
In this video, the teacher helps students understand how to compare numerical and word expressions in a standardized math test question. They go through six answer choices and explain which three are correct, using order of operations...
NUMBEROCK
Writing and Interpreting Numerical Expressions Song for 5th Grade
Writing and Interpreting Numerical Expressions Song Grades: 5th Grade - 6th Grade »»-------------¤-------------««»»-------------¤-------------«« Are you interested in learning about reading, writing, and interpreting numerical...
Curated Video
Reading and Writing with Variables
In this video, students will learn how to read and write algebraic expressions using variables. They will understand the importance of carefully reading and notating expressions, as well as how to identify the correct operation based on...
Math Fortress
Algebra I: Grouping Symbols (Level 1 of 2)
This video goes over the proper way to simplify numerical expressions using grouping symbols, nested grouping and expressions without grouping symbols.
Flipped Math
Algebraic Properties
Properly apply properties to arrive at equivalent expressions. Pupils review the main properties of equivalence with the guidance from the video. They take the knowledge from the video and apply the properties within the instruction and...
Mathispower4u
Evaluate an Expression with a Negative Exponent
The same rules apply. While watching the video, learners realize that the same rules apply to evaluate an expression with negative exponents as does simplifying an expression. The presentation shows a set of steps to evaluate a monomial...
Mathispower4u
The Order of Operations
Always operate under the assumption that the order of operations applies. An informative video shows viewers how to use the order of operations. It goes through four examples and explains how to evaluate each expression.
Mathispower4u
Write a Numerical Expression in the Form a-b and a(b+c) (Example)
To add or subtract ... how do you make the decision? The video instructor explains the process of writing a numerical expression from a verbal expression. While writing the expressions, he provides explanations for his decisions.
MinutePhysics
The Order of Operations is Wrong
PEMDAS is not all that it is cracked up to be. The short video provides an argument that the order of operations may not be instructionally sound. The presentation shows that understanding the concepts and properties of mathematics...
Mathed Up!
Algebra: Substitution
The sixteen problems in this resource present opportunities for pupils to practice substituting into algebraic expressions. Scholars evaluate algebraic expressions for given values of the variables. In a few cases, class members need to...
Mathed Up!
Using a Calculator
Here's a video that presents several numerical expressions to be evaluated using a calculator.Viewers come to realize that sometimes it is not just a matter of punching in the numbers, but they also need to be concerned about how...
TED-Ed
A Brief History of Numerical Systems
As people and civilizations have become more complex, numbers have evolved into what they are today. Watch a video that walks viewers through the history of the development of symbols into numbers and positional notations.
Krista King Math
Symbols of Inclusion
Tip—start with the inner most nested grouping symbol. The resource provides an explanation of the conventional method in nesting grouping symbols and using parentheses, brackets, and braces. The video provides two examples, one involving...
Krista King Math
Exponents
Teach the basics of exponent expressions. A video defines an exponent and demonstrates its meaning using several examples. Examples include variables and both positive and negative integers
Brightstorm
Order of Operations - Concept
Demonstrate the order of operations and the way to evaluate numerical expressions containing grouping symbols and exponents. An instructive video introduces learners to the mnemonic PEMDAS, which is a great way for them to...
Curated OER
How Do You Translate Phrases into Numerical Expressions?
Translating verbal phrases into numerical expressions can often be tricky. Your pupils most likely need to practice these. The instructor helps identify key terms by first identifying the operation. Then she looks for the numerical...