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Math Games & Worksheets for 9th Grade
1 - 60 of 115 results
G7
G9
Solve word problems involving successive percentages
Percentages
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G9
Determine a recursive formula for a sequence
Sequences
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G9
Use geometric tools to create triangles to meet requirements
2D geometry
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G9
Use geometric tools to construct a regular hexagon
2D geometry
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G9
Calculate successive percentages and discover the importance of order
Percentages
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G9
Model and solve a successive percentage problem using a quadratic equation
Algebra and equations
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G9
Connect the solutions to a quadratic equation with its coefficients by visually interpreting changes to its graph
Algebra and equations
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G9
Factor quadratic expressions to solve divisibility problems
Algebra and equations
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G9
Use quadratic models and solve quadratic equations using factoring
Algebra and equations
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G9
Find unknown coefficient values to enable factoring of quadratic equations
Algebra and equations
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G9
Solve quadratic equations to find areas of geometric shapes
Algebra and equations
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G9
Use a quadratic model to solve an area minimization problem
Algebra and equations
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G9
Identify and compare expressions using power laws
positive integer bases
Powers and roots
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G9
Convert between data units (metric prefixes)
Measurement
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G9
Use scientific notation and the metric system to make comparisons
Measurement
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G9
Represent and solve a system of linear equations to make appropriate decisions in context
Algebra and equations
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G7
G9
Represent functions using algebraic notation, graphing tools, and tables
Algebra and equations
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G8
G9
Round to a given number of significant figures
Measurement
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G9
Evaluate fractional powers of whole numbers
positive integer bases
Powers and roots
View Details
G6
G9
Calculate whole number square roots of whole numbers
Powers and roots
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G8
G9
Calculate travel times for lightning and thunder using scientific notation
Large numbers
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G8
G9
Identify segments with irrational lengths
Real numbers
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G9
Use a non-repeating pattern to create an irrational decimal
Real numbers
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G9
Rewrite expressions involving negative powers as fractions
positive integer bases
Powers and roots
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G9
Use properties of congruent triangles to derive parallelogram properties
2D geometry
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G9
Use properties of congruent triangles to derive trapezoid properties
2D geometry
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G9
Determine whether a census or a sample is the most appropriate measurement technique from context
Data and statistics
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G8
G9
Simplify expressions involving whole powers (different bases)
positive integer bases
Powers and roots
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G9
Complete equations using power laws involving negative powers
positive integer bases
Powers and roots
View Details
G9
Use power laws to calculate square and cube roots of whole numbers represented using fractional powers
Powers and roots
View Details
G9
Evaluate expressions involving fractional powers and radicals
Powers and roots
View Details
G9
Describe how sequences are related using equations
Sequences
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G9
Represent sequence regularity with algebraic expressions in multiple ways
linear
Sequences
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G9
Find multiple equivalent formulas for the same sequence
Sequences
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G9
Use the difference of squares law to expand and factorize expressions
Algebra and equations
View Details
G9
Derive the Completing The Square method
Algebra and equations
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G9
Use the Quadratic Formula to understand solutions to equations
Algebra and equations
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G8
G9
Use an algorithm represented in a flow chart to construct triangles
2D geometry
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G9
Use the Pythagorean Theorem to find unknown side lengths in right triangles
2D geometry
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G9
Identify similar triangles and solve problems
2D geometry
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G9
Identify similar triangles formed by transversal intersections with parallel lines
2D geometry
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G9
Use parity to evaluate and compare expressions involving powers of negative bases
all integer bases
Powers and roots
View Details
G9
Represent repeated multiplication of negative numbers with powers
all integer bases
Powers and roots
View Details
G9
Write and solve a system of equations that represents a real life scenario using graphical methods
Algebra and equations
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G9
Solve systems of linear equations in two variables
Algebra and equations
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G9
Solve a series of area problems resulting in a proof of the Pythagorean Theorem
2D geometry
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G9
Calculate side lengths of right triangles using the Pythagorean Theorem and similar triangles
2D geometry
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G9
Use the Pythagorean Theorem to solve problems in a geometric context
2D geometry
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G9
Use the Pythagorean Theorem and triangle similarity to solve problems involving the sides of other triangles
2D geometry
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G9
Use triangle similarity to solve geometric problems and construct figures
2D geometry
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G9
Use Thales’s theorem to calculate unknown side lengths of triangles
2D geometry
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G9
Use Thales’s theorem to calculate building plan dimensions
2D geometry
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G9
Use Thales’s theorem to calculate unknown side lengths of trapezoids
2D geometry
View Details
G9
Calculate and compare expressions involving negative powers and negative bases
all integer bases
rational bases
Powers and roots
View Details
G9
Calculate negative powers of decimals
Powers and roots
View Details
G9
Calculate square roots of fractions
Powers and roots
View Details
G9
Use a linear model and solve a system of linear equations
Algebra and equations
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G9
Solve system of linear equations by elimination
Algebra and equations
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G9
Solve problems using the relationship between inscribed angles and the arcs they subtend
2D geometry
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G9
Construct parallel lines and polygons using angle properties
2D geometry
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