CC Math 6: Chapter 1
Numerical Expressions & Factors
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Scroll down for Class Notes, Video Tutorials and other Resources. Items may take a moment to load fully.
Multi-Digit Addition
Multi-Digit Subtraction
Multi-Digit Multiplication: Part 1
Multi-Digit Multiplication: Part 2
Long Division
Intro to Exponents
Powers and Exponents: Lesson 1.2
Order of Operations
Order of Operations: Lesson 1.3
Finding Factors
Division and Prime Numbers
Prime Factorization
Prime Factorization: Lesson 1.4
Prime Factorization
Greatest Common Factor (GCF): Lesson 1.5
Least Common Multiple (LCM) using the List Method
Least Common Multiple (LCM) using Prime Factors
LCM of 15, 32, 66 Solution (From Previous Video)
Least Common Multiple (LCM): Lesson 1.6
Finding the GCF and LCM Using the Ladder Method
Fractions are Division Problems
Make Common Denominators by Finding Equivalent Fractions
Reducing Fractions to Simplest/Lowest Form
How to Know if a Number is Divisible by 3 (This is VERY useful for reducing fractions!)
Simplifying Fractions to Lowest Form using Common Factors
Converting Between Mixed Numbers and Improper Fractions
Change a Mixed Number into an Improper Fraction
Change an Improper Fraction into a Mixed Number
Compare & Order Fractions by Equivalency
Comparing Fractions
Comparing 2 Fractions using Cross-Multiplication
Adding Fractions with Different Denominators
Adding Fractions Using the LCD
Adding Mixed Numbers
Subtracting Mixed Numbers: Part 1 (Make sure to also watch Part 2)
Subtracting Mixed Numbers: Part 2 (When you must use Improper Fractions)
The California Common Core State Standards (CCSS) expect students in Math 6 to be able to do long division and multiplication by hand – including with decimals – using what’s called the "Standard Algorithm" (the same steps most parents learned in school). That means you can't have a calculator do all that thinking for you.
If you don’t have your multiplication facts memorized yet, math work takes way longer than it needs to and small mistakes can turn into big problems .
Just some of the things you’ll need multiplication facts for:
Working with ratios and unit rates (6.RP.1–3)
Dividing fractions and solving word problems (6.NS.1)
Using the standard algorithm for multiplication and division (6.NS.2–3)
Finding common denominators and adding/subtracting fractions (6.NS.4–5)
Solving one-step equations and expressions (6.EE.5–7)
Finding area, surface area, and volume (6.G.1–4)
Bottom line: Knowing your facts means less stress and better results.
So even though it might feel like “just memorizing,” strong multiplication skills make everything quicker and easier. Multiplication facts are the building blocks for everything that comes next in math. The better you know them, the more confident and successful you’ll be!
1.1 Whole Number Operations (CCSS 6.NS.2)
1.2 Powers and Exponents (CCSS 6.EE.1)
1.3 Order of Operations (CCSS 6.EE.1)
1.4 Prime Factorization (CCSS 6.NS.4)
1.5 Greatest Common Factor (CCSS 6.NS.4 , 6.EE.2.B)
1.6 Least Common Multiple (CCSS 6.NS.4)