Core Challenge Library Beta
Index
- The Substitution Method
- Multiplying a Fraction by a Whole Number
- The Substitution Method
- Dividing Fractions
- Ratio Relationships
- Ratios: Using Tables To Find Missing Values
- Ratios: Using Tables To Find Missing Values
- Elimination Method
- Laws of Exponents: Power to a Power
- Split and Jump 2.NBT.5
- Complementary and Supplementary Angles
- Rates Pencast
- Rates Pencast
- Dividing Fractions with Conceptual Understanding
- Jack's Button Tray
- Box Plots
- Ratios
- Solve Systems by Graphing
- Computing unit rates involving complex fractions
- Solutions To A Linear Inequality
- 2-NBT-5-Number-Operations-Base-10-JBrizendine.pdf
- SAS Triangle Congruence
- Solving Quadratic Equations
- 8.EE.1 Laws of Exonents: negative and zero exponents
- Proportion Representations
- Word Problem Scenerio
- 8.EE.8 Simultaneous Equations
- Adding and Subtracting Complex Numbers
- y=mx+b defines a linear function
- Dividing Fractions - Part 1
- Grade 3- Addition Strategies
- What is AREA?
- Grade 4 Comparing Decimals to Hundredths
- Quotient Property of Exponents
- Quotient Property of Exponents
- 7-EE-4a Solving problems using equations
- Interpret and Compute Quotients of Fractions
- Multiplying Integers
- Using Algebraic Tiles to Model and Simplify Expressions
- Unit Rate
- Grade 3(3.MD.7-Finding Area of a Rectangle
- 8.G.6: Apply the Pythagorean Theorem to find the distance between two points in a coordinate system.
- Solving Right Triangles
- Average Rate of Change
- subtracting integers
- Equivalent Fractions
- Proportional Rate of Change
- Subtracting Integers
- Multiplying Fractions
- Adding and Subtracting Fractions with Unlike Denominators
- Comparing Proportional Relationships using real-life examples
- Scatter Plots and Linear Associations
- Characteristics of Functions
- 6-NS-5 Representing Integers and the Meaning of Zero
- 6-NS-5 Representing Integers and the Meaning of Zero
- Properties of Integer Exponents
- Changing Improper Fractions to Mixed Numbers
- 6-NS-7b Inequalities
- A fairy tale for the conceptual development of multiplying binomials
- Unit Rate
- Music Pencast
- N.RN.1 Understanding rational exponent's connection to the integer exponent rules
- Using an Open Number Line for Addition
- Using an Open Number Line for Addition
- What is a function?
- N.RN.3 part 1
- Partial Quotients
- Sharing Brownies (Thirds)
- N.RN.3 part 1 The sum and product of two rational numbers is a rational number.
- N.RN.3 part 1 The sum and product of two rational numbers is a rational number.
- Pencast F-IF.4
- Solving Two Step Equations
- Addition Strategies
- AAPR-6: Rewriting Rational Expressions
- Creating Regular Polygons using Central Angles
- N.RN.3 part 2 The sum of a rational number and an irrational number is irrational
- sample space
- Comparing Decimals to the Hundredths 5
- N.RN.3 part 3 The product of a non-zero rational number and an irrational number is irrational.
- Ratio:Iterating,Partitioning
- Ratio:Iterating,Partitioning
- Ratio:Session 3 tape diagram for comparisons
- Solving Volume of Cylinders Using the Formula
- A.CED.4 Rearrange formulas to highlight a quantity of interest.
- Solving Volume of Cylinders Using the Formula
- G.CO.13 part 1 Construct a square inscribed in a circle.
- Chi-Square Pencast
- 4NF5 Expanded Form & Decimals to Fractions
- Title Test
- G.CO.13 part 2 Construct a regular hexagon inscribed in a circle.
- G.CO.13 part 3 Construct an equilateral triangle inscribed in a circle.
- Subtraction Word Problem
- G.C.1 Prove all circles are similar.
- Identifying the SfMP
- F.BF.3 part 1 Identify the effect on the graph of replacing f(x) by f(x) + k.
- F.BF.3 part 2 Identify the effect on the graph of replacing f(x) by k f(x).
- F.BF.3 part 3 Identify the effect on the graph of replacing f(x) by f(kx).
- F.BF.3 part 4 Identify the effect on the graph of replacing f(x) by f(x+k).
- G.CO.11 part 1 Prove that the opposite sides of a parallelogram are congruent.
- G.CO.11 part 2 Prove that the opposite angles of a parallelogram are congruent.
- Describing Slope in multiple ways
- G.CO.11 part 3 Diagonals of a parallelogram bisect each other.
- G.CO.11 part 4 Prove that rectangles are parallelograms with congruent diagonals.
- AAPR-6: Rewriting Rational Expressions
- 8.G.8 Apply the Pythagorean Theorem to find the distance between two points in a coordinate system.
- 8.G.7 Apply the Pythagorean Theorem to determine unknown side lengths.
- 8.NS.2 Rational number approximations of irrational numbers.
- 8.EE.2 part 1 Use and understand the square root and cube root symbols.
- 8.EE.2 part 2 Evaluate small perfect squares and cubes; understand that the square root of 2 is irrational.
- 8.EE.3 part 1 Estimate very big and very small numbers with the notation k X 10^n.
- 8.EE.3 part 2 Express how much one number is of another when in the form of k X 10^n
- 8.NS.1 Every number has a decimal expansion.
- Multiplication of Fractions and the Meaning Behind the Standard Procedure
- Comparing Functions
- 8.F.1 A Function is a rule; every input has exactly one output
- N.CN.7 Solve quadratic equations with real coefficients that have complex solutions.
- Equivalent Fractions
- N.VM.8 part 1 Add and subtract matrices of appropriate dimensions.
- N.VM.8 part 2 Multiply matrices of appropriate dimensions
- G.GMD.4 Identify the shapes of two-dimensional cross sections of three-dimensional objects.
- G.CO.10 part 1 The measures of interior angles of a triangle sum to 180 degrees.
- G.CO.10 part 2 Base angles of isosceles triangles are congruent
- G.CO.5 Transform one geometric figure onto another using translation, rotation, and reflection.
- G.CO.10 part 3 The segment joining the midpoints of two sides of a triangle is parallel to the third side and half its length.
- G.CO.10 part 4 The medians of a triangle meet at a point.
- G.C.3 part 1 Construct the inscribed circle of a triangle.
- G.C.3 part 2 Construct the circumscribed circle of a triangle
- G.C.3 part 3 Properties of angles for quadrilaterals inscribed in a circle
- N.CN.9 Fundamental Theorem of Algebra; and show that it is true for quadratic polynomials
- A.APR.1 part 1 Polynomials (like Integers) are closed under addition, subtraction, and multiplication
- A.APR.1 part 2 Add, Subtract, and Multiply Polynomials
- A.REI.1 Explain each step in solving an equation
- A.REI.3 part 1 Solving equations and inequalities in one variable
- A.REI.3 part 2 Solve linear equations with coefficients represented by letters
- A.REI.10 The graph of an equation is the set of all its solutions
- A.REI.2 part 1 Solve simple rational equations in one variable
- A.REI.2 part 2 Solve simple radical equations in one variable
- A.REI.2 part 3 Extraneous solutions when solving rational and radical equations
- A.SSE.4 part 1 Derive the formula for the sum of a finite geometric series when the common ratio is not one.
- A.SSE.4 part 2 Use the formula for the sum of a finite geometric series to solve problems
- A.APR.3 Identify zeros of polynomials and use them to sketch a graph of the function.
- A.APR.7 part 1 Understand that rational expressions are like rational numbers in that they are closed under the four operations
- A.APR.7 part 2 Add and subtract rational expressions
- A.APR.7 part 3 Multiply and divide rational expressions
- A.REI.5 Proof that solutions to systems of equations remain the same after manipulating the equations algebraically.
- A.REI.6 part 1 Solve systems of linear equations in two variables exactly
- A.REI.6 part 2 Solve systems of linear equations in two variables approximately
- F.IF.7a part 1 Graph linear functions and show the intercepts
- F.IF.7a part 2 Graph quadratic functions and show intercepts, maxima, and minima