Understanding Algebraic Arguments

The video tutorial explains how to make an algebraic argument to show why a given expression is less than 1/3. It starts by rewriting 1/3 in a form similar to the expression in question, allowing for a direct comparison. The tutorial then focuses on comparing the denominators of the two expressions, emphasizing that a larger denominator results in a smaller overall value when the numerators are the same. The video concludes by reinforcing the concept that the expression with the larger denominator is indeed smaller, thus supporting the initial claim.

What is the main goal of the algebraic argument introduced in the video?

• To show that 1/3 is equal to the fraction of bears

• To compare two expressions and determine which is smaller

• To prove that bears are the largest group

• To demonstrate that c is less than d

Tags

CCSS.HSA.APR.D.7

How is 1/3 rewritten to facilitate comparison with the given expression?

• As b over 3b

• As b over c plus d

• As b over b plus c

• As b over b plus d

What is the key difference between the two expressions being compared?

• The numerators are different

• Both expressions have the same denominator

• One expression has a larger numerator

• The denominators are different

Tags

CCSS.6.EE.B.5

Why is c plus d greater than b plus b?

• Because b is greater than c

• Because c and d are both greater than b

• Because c is equal to b

• Because c and d are both less than b

Tags

CCSS.3.NF.A.3D

What happens to a fraction when the denominator increases while the numerator stays the same?

• The fraction remains the same

• The fraction becomes smaller

• The fraction becomes larger

• The fraction becomes negative

Which of the following is larger: a over 7 or a over 5?

• It depends on the value of a

• a over 7

• a over 5

• They are equal

Tags

CCSS.5.NF.B.5A

What is the conclusion about the size of the original expression compared to 1/3?

• The original expression is larger

• 1/3 is smaller

• The original expression is smaller

• They are equal

Tags

CCSS.5.NF.B.5A