Virtual Nerd: PreAlgebra
Not Yet Rated
 algebra
 geometry
 graphing
 ratio
 applying information
 memorization
 thinking critically
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Like Virtual Nerd's other offerings, the PreAlgebra module is a collection of videos that teach using great math problems. However, finding videos in the PreAlgebra module can be a bit challenging  the general search field is most helpful when looking for resources using keywords. Video topics include multiplication, division, fractions, functions, graphing, equations, probability, ratio, and more. Most videos include a learning objective, keywords, suggested background tutorial videos, and videos for further exploration. A handy worksheet summarizes each video's content.
In the classroom, search for a video that aligns to a lesson topic and have kids view the video in small groups. Start your lesson and use the same video as instructional support. Pause during the example problem to reinforce information and answer questions as needed. Print the accompanying worksheet for students to use as a study guide or as a place to take notes.
Read More Read LessKey Standards Supported
Expressions And Equations  
6.EE: Apply And Extend Previous Understandings Of Arithmetic To Algebraic Expressions.  
6.EE.2.c  Evaluate expressions at specific values of their variables. Include expressions that arise from formulas used in realworld problems. Perform arithmetic operations, including those involving whole number exponents, in the conventional order when there are no parentheses to specify a particular order (Order of Operations). For example, use the formulas V = s3 and A = 6 s2 to find the volume and surface area of a cube with sides of length s = 1/2. 
Reason About And Solve OneVariable Equations And Inequalities.  
6.EE.7  Solve realworld and mathematical problems by writing and solving equations of the form x + p = q and px = q for cases in which p, q and x are all nonnegative rational numbers. 
7.EE: Solve RealLife And Mathematical Problems Using Numerical And Algebraic Expressions And Equations.  
7.EE.3  Solve multistep reallife and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate; and assess the reasonableness of answers using mental computation and estimation strategies. For example: If a woman making $25 an hour gets a 10% raise, she will make an additional 1/10 of her salary an hour, or $2.50, for a new salary of $27.50. If you want to place a towel bar 9 3/4 inches long in the center of a door that is 27 1/2 inches wide, you will need to place the bar about 9 inches from each edge; this estimate can be used as a check on the exact computation. 
7.EE.4.b  Solve word problems leading to inequalities of the form px + q > r or px + q < r, where p, q, and r are specific rational numbers. Graph the solution set of the inequality and interpret it in the context of the problem. For example: As a salesperson, you are paid $50 per week plus $3 per sale. This week you want your pay to be at least $100. Write an inequality for the number of sales you need to make, and describe the solutions. 
8.EE: Analyze And Solve Linear Equations And Pairs Of Simultaneous Linear Equations.  
8.EE.7  Solve linear equations in one variable. 
8.EE.7.b  Solve linear equations with rational number coefficients, including equations whose solutions require expanding expressions using the distributive property and collecting like terms. 
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