Simplifying Expressions and Evaluating

The video tutorial covers expressions and the order of operations, introducing GEMDAS as a method to simplify expressions. It provides step-by-step solutions to example problems, demonstrating the use of grouping symbols, fractions, and evaluating expressions with given values. The tutorial also explains how to simplify expressions by distributing and combining like terms, and how to translate verbal expressions into algebraic expressions.

What does the 'G' in GEMDAS stand for?

• Gradients

• Geometry

• Grouping symbols

• Graphs

Tags

CCSS.6.EE.A.2C

In the expression 6 squared minus 20 divided by parentheses, 2 cubed minus 3 plus 1, what is the first step according to GEMDAS?

• Calculate 6 squared

• Divide 20 by 5

• Simplify inside the parentheses

• Add 1

Tags

CCSS.6.NS.C.7C

What is the result of 18 minus the absolute value of negative 6?

• 0

• 24

• 12

• 6

Tags

CCSS.6.EE.A.2C

When evaluating the expression with a = 3 and b = -5, what is the result of 3 cubed plus 3 times -5?

• 0

• 12

• 27

• 15

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What is the result of 12 divided by -12?

• 12

• 0

• -1

• 1

Tags

CCSS.7.EE.A.1

What is the simplified form of 2x plus 4x?

• 8x

• 2x

• 6x

• 4x

Tags

CCSS.6.EE.A.2A

How do you express 'the sum of twice a number and 9' in algebraic form?

• 2n + 9

• 9n + 2

• n + 9

• 2 + 9n

Tags

CCSS.6.EE.A.3

What is the result of distributing 3 times (n - 4)?

• 3n - 12

• 3n + 12

• n - 12

• n + 12

Tags

CCSS.7.EE.A.1

What is the simplified result of negative 4 times c plus 8c?

• -4c

• 0

• 12c

• 4c

Tags

CCSS.6.EE.A.2A

How do you express '8 less than the quotient of a number and -3'?

• n/-3 + 8

• n/3 - 8

• 8 - n/3

• n/-3 - 8

Tags

CCSS.6.EE.A.2A