Grade 8 Math Concepts Review

This video is a tutorial for grade 8 students preparing for the MCAS 2018 assessment. It covers various math topics, including scientific notation, similar rectangles, square roots, irrational numbers, linear functions, and solving equations. The video emphasizes understanding concepts without a calculator and provides step-by-step solutions to problems. It also includes open response questions and discusses the volume of a cylinder and simplifying expressions with exponents. The tutorial aims to help students grasp key math concepts and prepare for assessments.

What is the main focus of the video tutorial?

• Practicing art techniques

• Understanding historical events

• Learning advanced calculus

• Preparing for a Grade 8 state assessment

What is provided to students during the exam to help with conversions and formulas?

• A textbook

• Internet access

• A reference sheet

• A calculator

What should students do after reading each question in the video?

• Pause the video and solve the problem

• Use a calculator to find the answer

• Skip to the next question

• Ask a friend for help

How do you convert 2.03 x 10^11 to standard notation?

• Multiply by 11

• Move the decimal 11 places to the right

• Divide by 11

• Move the decimal 11 places to the left

What is the length of the smaller rectangle if the rectangles are similar?

• 4 feet

• 5 feet

• 6 feet

• 3 feet

How do you approximate the square root of 42 without a calculator?

• Estimate between square roots of 25 and 36

• Use a calculator

• Estimate between square roots of 49 and 64

• Estimate between square roots of 36 and 49

Which of the following is an irrational number?

• 1.363636...

• -0.19

• Square root of 3

• Square root of 0

Which equation represents a linear function?

• y = x^2 + 3

• y = 2^x

• y = x/12

• y = x^3

What is the value of y when x is 4 in the given table?

• 2

• 1

• 0

• 3

What is the value of z when x is 3 and y is 4 in the equation x^y = z?

• 125

• 81

• 64

• 27