6-7th Grade Videos: Completed
5th Grade: In progress
8th Grade: Coming soon
Grade 5 Common Core Math Lessons (In Progress)
5.OA.A.1
Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.
- 5th Grade Order of Operations Practice | Evaluate Basic Numerical Expressions (5.OA.A.1)
- 5th Grade Order of Operations Practice | Evaluate Numerical Expressions 1 (5.OA.A.1)
- 5th Grade Order of Operations Practice | Evaluate Numerical Expressions 2 (5.OA.A.1)
Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them.
- Writing Math Expressions From Words | 5th Grade (5.OA.A.2)
- Writing Words for Math Expressions | 5th Grade Math (5.OA.A.2)
Generate two numerical patterns using two given rules. Identify apparent relationships between corresponding terms. Form ordered pairs consisting of corresponding terms from the two patterns, and graph the ordered pairs on a coordinate plane.
- 5th Grade: Ordered Pairs from Rules (Add & Subtract) | Plot Points (5.OA.B.3)
- 5th Grade: Ordered Pairs from Rules (Multiply & Divide) | Plot Points (5.OA.B.3)
Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.
- 5th Grade: Comparing Place Values in Whole Numbers (5.NBT.A.1)
- 5th Grade: Determine How Much Larger One Value is Than Another in a Whole Number (5.NBT.A.1)
- 5th Grade: Comparing Place Values in Decimals (5.NBT.A.1)
Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10.
Read, write, and compare decimals to thousandths.
Use place value understanding to round decimals to any place.
Fluently multiply multi-digit whole numbers using the standard algorithm.
Find whole-number quotients of whole numbers with up to four-digit dividends and two-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used.
Grade 6 Common Core Math Lessons (Complete)
Mathispower4u YouTube Playlist
6.RP Ratios & Proportional Relationships
6.RP.A.1 — Ratio concepts & language
6.RP.A.2 — Unit rates (a/b for a:b)
6.RP.A.3 — Solve with ratio/reasoning (tables, diagrams, equations)
o 6.RP.A.3a — Equivalent ratios; tables; plot & compare
o 6.RP.A.3b — Unit-rate problems (pricing, speed, etc.)
o 6.RP.A.3c — Percent problems (part, whole, %; discount/markup/tax/tip; % change)
- Preliminary Skill
- The Percent Proportion to Solve Percent Problems (No Cross Multiplication)
- Introduction to Proportions and Cross Products
- The Percent Proportion to Solve Percent Problems (Cross Multiplication)
- Solve a Percent Problem Using a Double Number Line
o 6.RP.A.3d — Convert measurement units using ratios
- Unit Conversions Using Equivalent Ratios
- Video: Unit Conversions using Unit Factors
6.NS The Number System
6.NS.A.1 — Interpret & compute fraction ÷ fraction; word problems
- What Does Dividing by a Fraction Mean? Whole Number Divided by Fraction
- What Does Dividing by a Fraction Mean? Fraction Divided by Fraction
- What Does Dividing by a Fraction Mean? Fraction Divided by Fraction (Compare to Trad Method)
- Fraction Division Application: Number of Batches from a Recipe
6.NS.B.2 — Fluently divide multi-digit whole numbers (standard algorithm)
- Long Division: 4 Digit Divided by 2 Digit – No Remainder
- Long Division: 4 Digit Divided by 2 Digit – With Remainder
6.NS.B.3 — Fluently add/subtract/multiply/divide decimals
- Add and Subtract Decimals
- Decimal Division: Decimal Divided by a Decimal with Whole Number Quotient
- Decimal Division: Decimal Divided by a Decimal with a Decimal Quotient
- Decimal App: Find a Total Cost (Multiply and Add Decimals)
- Decimal Division App: Determine the Length of Pieces of Rope (Decimal Divided by a Whole Number)
6.NS.B.4 — GCF & LCM; use distributive property with common factors
- Determining GCF and LCM
- Factor a Sum Using GCF and Distributive Property
- Factor a Difference Using GCF and the Distributive Property
- Application of Factoring a Sum – Gift Bags
6.NS.C.5 — Use positive & negative numbers in context; meaning of 0
- Positive/Negative Integer and Absolute Value App: Vertical Distance Between a Submarine and Bird
- Positive/Negative Integer and Absolute Value App: Rise in Temperature
6.NS.C.6 — Rational numbers on the number line & coordinate plane
o 6.NS.C.6a — Opposite signs → opposite directions; 0 as origin
- Introduction to Opposite Integers
- Using Opposite Integers to Represent Situations and Determining Sums of Opposites
o 6.NS.C.6b — Quadrants; reflections across axes
o 6.NS.C.6c — Locate/plot rational numbers & ordered pairs
- Plotting Decimals on the Number Line
- Ordering Fractions from Least to Greatest by Plotting Fractions on the Number Line
- Identify Coordinates of Points on the Coordinate Plane
- Plotting Points with Integer Coordinates on the Coordinate Plane
- Plotting Points on the Coordinate Plane with Rational Coordinates 1
- Plotting Points on the Coordinate Plane with Rational Coordinates 2
6.NS.C.7 — Order & absolute value of rational numbers
o 6.NS.C.7a — Inequalities as positions on a number line
- Compare the Absolute Value of Integers Using Inequality Symbols
- Compare Integers and Signed Decimals Using Inequality Symbols
- Compare Negative Fractions and Mixed Numbers Using Inequality Symbols
o 6.NS.C.7b — Order statements in real-world contexts
o 6.NS.C.7c — Absolute value as distance/magnitude; interpret in context
- Determine the Difference of a Negative and Positive Account Balance using Absolute Value
- Determine the Difference of Two Negative Temperatures using Absolute Value
o 6.NS.C.7d — Distinguish order vs. absolute-value comparisons
6.NS.C.8 — Graph in all four quadrants; use absolute value for distances
- Plot Points on the Coordinate Plane and Determine the Distance from the Axes
- Plot Points on the Coordinate Plane and Determine the Horizontal and Vertical Distance Between the Points
6.EE Expressions & Equations
6.EE.A.1 — Evaluate numerical expressions with whole-number exponents
- Evaluate Numerical Expressions with Whole Number Exponents
- Evaluate Numerical Expressions Using the Order of Operations
6.EE.A.2 — Write/read/evaluate expressions with variables
o 6.EE.A.2a — Translate words ↔ expressions
o 6.EE.A.2b — Name parts (term, factor, coefficient)
o 6.EE.A.2c — Evaluate at given values; formulas; order of operations
6.EE.A.3 — Use properties to create equivalent expressions
- The Associative Property of Addition and Multiplication
- The Commutative Property of Addition and Multiplication
- Use the Distributive Property to Write Equivalent Expressions
- Simplifying Variable Expressions
6.EE.A.4 — Identify when expressions are equivalent
6.EE.B.5 — What it means to solve; test solutions (substitution)
- Solving Basic Equations and Inequalities by Inspection Only
- Determining if Values are Solutions to Equations and Inequalities
- Determining if Values are Solutions to Equations
6.EE.B.6 — Use variables for unknowns or varying quantities
6.EE.B.7 — Solve x + p = q and px = q (nonnegative rationals)
- Solving One Step Equations with Whole Numbers and Decimals
- Writing and Solving Equations for Real Life Situations
6.EE.B.8 — Write one-variable inequalities; graph solution sets
6.EE.C.9 — Dependent & independent variables; relate tables/graphs to an Equation
- Write an Equation, Make a Table, and Graph to Model a Situation: Earnings
- Write an Equation, Make a Table, and Graph to Model a Situation: Plant Growth
6.G Geometry
6.G.A.1 — Areas of triangles, special quadrilaterals, polygons (compose/decompose)
- Determine the Area of a Pentagon on the Coordinate Plane – Decompose Area
- Determine the Area of a Rhombus on the Coordinate Plane – Decompose Area
6.G.A.2 — Volume of right rectangular prisms (incl. fractional edges); V=lwhV=\ell w h, V=BhV=Bh
6.G.A.3 — Polygons in the coordinate plane; side lengths parallel to axes
6.G.A.4 — Nets of prisms/pyramids; surface area
6.SP Statistics & Probability
6.SP.A.1 — Statistical questions (variability)
6.SP.A.2 — Distributions described by center, spread, shape
6.SP.A.3 — Center vs. variability—what each summarizes
6.SP.B.4 — Dot plots, histograms, box plots
- Create a Dot Plot from Data and Find Mode, Range, Median, and Mean
- Create a Histogram and Analyze Data
6.SP.B.5 — Summarize data in context
o 6.SP.B.5a — Number of observations
o 6.SP.B.5b — Attribute measured & units
o 6.SP.B.5c — Mean/median; IQR/MAD; patterns & outliers
o 6.SP.B.5d — Choose center/variability measures based on shape & context
Grade 7 Common Core Math Lessons (Complete)
Mathispower4u Playlist
Ratios and Proportional Relationships
Analyze proportional relationships and use them to solve real-world and mathematical problems.
Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units.
- Determine Unit Rates with Fractional Values - Speed and Recipe (7RPA1)
- Determine Unit Rates with Fractional Values - MPG and Map Scale (7RPA1)
Recognize and represent proportional relationships between quantities.
- Determine if Values in a Table Are Proportional - Direct Variation (7RPA2)
- Determine if Values in a Table Are Proportional, Then Write an Equation and Graph (7RPA2)
- Given Two Proportional Values, Complete Table, Write an Equation, and Graph (7RPA2)
Use proportional relationships to solve multistep ratio and percent problems.
- Solve Proportions Using Equivalent Ratios (7RPA3)
- Solve Proportions Using Cross Multiplication (7RPA3)
- Percent Problem: Determine a Selling Price Given Cost and Percent Markup (7RPA3)
- Percent Problem: Determine a Cost After a Discount and Sales Tax (7RPA3)
- Ratio Applications: Solve a Proportion Using Equivalent Ratios (7RPA3)
- Find Percent Change (7RPA3)
- Simple Interest: Find Interest and an Ending Balance (7RPA3)
The Number System
Apply and extend previous understandings of operations with fractions to add, subtract, multiply, and divide rational numbers.
Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.
- Adding Integers Using Logic - Win/Lose Points (7NSA1)
- Adding Integers Using the Number Line (7NSA1)
- Adding Integers Using Formal Rules and the Number Line (7NSA1)
- Adding Signed Decimals Using Formal Rules and the Number Line (7NSA1)
- Adding Signed Fractions Using Formal Rules and the Number Line (7NSA1)
- Why is Subtracting a Negative Equivalent to Adding a Positive Using Integer Chips (7NSA1)
- Subtracting Integers Using Logic - Win/Lose Points (7NSA1)
- Subtracting Integers Using the Number Line (7NSA1)
- Subtracting Integers Using Formal Rules and the Number Line (7NSA1)
Apply and extend previous understandings of multiplication and division and of fractions to multiply and divide rational numbers.
- Justifying Why a Negative Times a Negative is a Positive Using Opposites (7NSA2)
- Justifying Why a Negative Times a Negative is a Positive Using Integer Chips (7NSA2)
- Justifying Why a Positive Times a Negative is a Negative Using Opposites (7NSA2)
- Justifying Why a Positive Times a Negative is a Negative Using Integer Chips (7NSA2)
- Multiplying and Dividing Integers (7NSA2)
- Multiplying Signed Fractions (7NSA2)
- Dividing Signed Fractions (7NSA2)
- Multiplying Signed Decimals (7NSA2)
- Dividinging Signed Decimals (7NSA2)
- Applications: Multiplying and Dividing Fractions (7NSA2)
- Applications: Multiplying and Dividing Signed Decimals (7NSA2)
Solve real-world and mathematical problems involving the four operations with rational numbers.
- Application: Add Signed Decimals to Find an Ending Temperature (7NSA3)
- Percent Application: Decimal Multiplication to Find a Cost after a Discount and Tax (7NSA3)
Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients.
- Adding and Subtracting Linear Expressions (7EEA1)
- Subtracting Linear Expressions with Fractions (7EEA1)
- The Distributive Property with Integers (7EEA1)
- The Distributive Property with Fractions (7EEA1)
- Distributing and Simplifying Expressions - Part 1 (7EEA1)
- Distributing and Simplifying Expressions - Part 2 (7EEA1)
- Distributing and Simplifying Expressions with Fractions (7EEA1)
Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related.
- Factoring Basic Linear Expressions (7EEA2)
- Factoring Linear Expressions with Fractions Using Least Common Denominators(7EEA2)
- Factoring Linear Expressions with Fractions Using Divsion(7EEA2)
- Write and Factor Expressions Situations (7EEA2)
- Writing and Simplifying Expressions for Situations involving Percentages (7EEA2)
Solve multi-step real-life and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate; and assess the reasonableness of answers using mental computation and estimation strategies.
- Write and Solve a Multi-Step Equation to Determine a Price (7EEB3)
- Multi-Step Problem Solving: Find the Sum of Fractions and Mixed Numbers to Determine a Distance Hiked (7EEB3)
- Multi-Step Problem Solving: Write and Solve an Equation Involving the Sum of Signed Decimals (7EEB3)
Use variables to represent quantities in a real-world or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities.
- Write and Solve an Equation Involving Distance, Rate, and Time (7EEB4)
- Write and Solve a Two-Step Equation To Determine the Price of a Shirt (7EEB4)
- What Score You Need on a Test for a Desired Test Average? (Writing and Solving Equations - 7EEB4)
- Write and Solve an Inequality to Find How Much Work is Required to Earn at Least an Amount (7EEB4)
- Write and Solve an Inequality to Determine How Long Until a Saving Balance is Less Than a Given Amount (7EEB4)
Solve problems involving scale drawings of geometric figures, including computing actual lengths and areas from a scale drawing and reproducing a scale drawing at a different scale.
- Geometric Scaling: Find the Area of a Scaled Rectangle (7GA1)
- Geometric Scaling: How to Change the Scaling of a Scaled Rectangle (7GA1)
- Geometric Scaling: Determine the New Dimensions of a Rectangle that Has 9 Times a Given Area (7GA1)
Draw (freehand, with ruler and protractor, and with technology) geometric shapes with given conditions. Focus on constructing triangles from three measures of angles or sides, noticing when the conditions determine a unique triangle, more than one triangle, or no triangle.
- Triangle Inequality Theorem: What 3 Side Lengths Can Form a Triangle? (7GA2)
- Determine Whether 0, 1, or 2 Triangles Are Possible Given SSA: 2 Sides, 1 Angle (7GA2)
- Determine Whether 0, 1, or 2 Triangles Are Possible Given SSS, SAS, and AAA (7GA2)
Describe the two-dimensional figures that result from slicing three-dimensional figures, as in plane sections of right rectangular prisms and right rectangular pyramids.
- What 2D Shapes are Formed When Slicing a Right Rectangular Prism and a Right Cylinder (7GA3)
- What 2D Shapes are Formed When Slicing Right Pyramids and a Cone? (7GA3)
Know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.
- How to Find the Circumference and Area of a Circle Given the Diameter (7GA4)
- How to Find the Radius of a Circle Given the Circumference and Area (7GA4)
- If You Double the Diameter of a Pizza (Circle), How Much Larger is the Area? (7GA4)
Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure.
- What are Angles, Supplementary Angles, Complimentary Angles, and Vertical Angles? (7GA5)
- Can You Find These Supplementary Angles? (Diagram Challenge!) (7GA5)
- Can You Find These Complementary Angles? (Diagram Challenge!) (7GA5)
- Can You Find These Vertical Angles? (Diagram Challenge!) (7GA5)
Solve real-world and mathematical problems involving area, volume and surface area of two- and three-dimensional objects composed of triangles, quadrilaterals, polygons, cubes, and right prisms.
- Can You Find the Area? Area Decomposition: Two Rectangles (7GA6)
- Can You Find the Area of the Trapezoid Using Area Decomposition? No Need for a Formula! (7GA6)
- Can You Find the Surface Area of a Box (Right Rectangular Prism)? 7GA6
- Can You Find the Surface Area of a Cylinder? No Need for a Formula! (7GA6)
- How to Find Volume of Prisms (Box, Cylinder, Triangular Prism) 7.G.A.6
- Volume of an Irregular Solids Using Volume Decomposition | 7th Grade Math (7GA6)
Understand that statistics can be used to gain information about a population by examining a sample of the population; generalizations about a population from a sample are valid only if the sample is representative of that population. Understand that random sampling tends to produce representative samples and support valid inferences.
- Introduction to Statistics: Population, Sample & Inference | 7th Grade (7.SP.A.1)
- Identify Random Sampling Methods | 7th Grade Statistics (7.SP.A.1)
Use data from a random sample to draw inferences about a population with an unknown characteristic of interest. Generate multiple samples (or simulated samples) of the same size to gauge the variation in estimates or predictions.
Informally assess the degree of visual overlap of two numerical data distributions with similar variabilities, measuring the difference between the centers by expressing it as a multiple of a measure of variability.
- Compare Two Sets of Data Visually and Using the Mean and Range | (7.SP.B.3)
- Compare Two Sets of Data Using Mean Absolute Deviation (Symmetric Data) | (7.SP.B.3)
- Compare Two Sets of Data Using Median and Interquartile Range (Skewed Data) | (7.SP.B.3)
Use measures of center and measures of variability for numerical data from random samples to draw informal comparative inferences about two populations.
Understand that the probability of a chance event is a number between 0 and 1 that expresses the likelihood of the event occurring. Larger numbers indicate greater likelihood. A probability near 0 indicates an unlikely event, a probability around 1/2 indicates an event that is neither unlikely nor likely, and a probability near 1 indicates a likely event.
- Introduction to Probability | 7th Grade (7.SP.C.5)
- Determining Basic Probability Using a Spinner | 7th Grade Math (7.SP.C.5)
Approximate the probability of a chance event by collecting data on the chance process that produces it and observing its long-run relative frequency, and predict the approximate relative frequency given the probability.
Develop a probability model and use it to find probabilities of events. Compare probabilities from a model to observed frequencies; if the agreement is not good, explain possible sources of the discrepancy.
Find probabilities of compound events using organized lists, tables, tree diagrams, and simulation.