Math with Mr. J Courses

Adding and Subtracting Decimals and Whole Numbers

Master adding and subtracting decimals and whole numbers through clear examples and step-by-step instruction in this 11-minute math tutorial.

• YouTube
• 11 minutes
• Self-Paced
• Free Video

How to Graph a Line Given a Point and the Slope

Master graphing lines using a given point and slope through four step-by-step examples with clear explanations and visual demonstrations in this 14-minute tutorial.

• YouTube
• 14 minutes
• Self-Paced
• Free Video

How to Multiply a Whole Number and a Decimal

Master decimal multiplication through step-by-step examples and practice problems, learning to multiply whole numbers with decimals using clear mathematical techniques.

• YouTube
• 10 minutes
• Self-Paced
• Free Video

How to Multiply a Decimal by a Decimal

Master decimal multiplication through step-by-step examples and practice problems with clear explanations and guided solutions.

• YouTube
• 10 minutes
• Self-Paced
• Free Video

How to Add and Subtract Decimals

Master decimal addition and subtraction through step-by-step examples with whole numbers, plus practice problems to test your understanding.

• YouTube
• 30 minutes
• Self-Paced
• Free Video

Subtract Decimals - Subtracting Two Decimals and Subtracting Decimals and Whole Numbers

Master decimal subtraction through step-by-step examples covering two decimals and decimal-whole number operations with clear explanations and practice problems.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

Converting a Fraction to a Percent

Master fraction-to-percent conversion with step-by-step examples and practice problems to build your mathematical confidence.

• YouTube
• 15 minutes
• Self-Paced
• Free Video

Converting a Decimal to a Fraction

Master decimal-to-fraction conversion through six worked examples and practice problems with step-by-step guidance from Mr. J.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

Converting a Fraction to a Decimal

Master fraction-to-decimal conversion without a calculator through step-by-step examples and practice problems in this 13-minute math tutorial.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

Multiplying 3-Digit Numbers by 3-Digit Numbers

Master 3-digit by 3-digit multiplication through step-by-step examples and practice problems with clear explanations and guided solutions.

• YouTube
• 12 minutes
• Self-Paced
• Free Video

Relating Area to Addition and Multiplication - Area of Rectangles

Discover how area of rectangles connects to addition and multiplication through clear examples and step-by-step explanations for elementary math students.

• YouTube
• 10 minutes
• Self-Paced
• Free Video

Percent Change: A Step-by-Step Guide

Master percent change calculations through step-by-step examples and word problems, from basic concepts to practical applications, with clear explanations and guided practice.

• YouTube
• 24 minutes
• Self-Paced
• Free Video

Finding Area of Rectangles Using the Distributive Property

Master calculating rectangular areas using the distributive property through step-by-step examples and clear explanations suitable for beginners and those seeking a quick review.

• YouTube
• 10 minutes
• Self-Paced
• Free Video

Introduction to Calculating Percent Error in Mathematics

Master the fundamentals of percent error calculations through step-by-step examples and clear explanations of key concepts including error, absolute error, relative error, and percentage conversions.

• YouTube
• 13 minutes
• Self-Paced
• Free Video

Converting Between Scientific Notation and Standard Form

Master converting between scientific notation and standard form with step-by-step examples for both large and small numbers, including practice problems to reinforce your understanding.

• YouTube
• 27 minutes
• Self-Paced
• Free Video