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Washington Math Standards - 3rd Grade
MathScore aligns to the Washington Math Standards for 3rd Grade. The standards appear below along with the MathScore topics that match. If you click on a topic name, you will see sample problems at varying degrees of difficulty that MathScore generated. When students use our program, the difficulty of the problems will automatically adapt based on individual performance, resulting in not only true differentiated instruction, but a challenging game-like experience.
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View the Washington Math Standards at other levels.
3.1. Core Content: Addition, subtraction, and place value
3.1.A Read, write, compare, order, and represent numbers to 10,000 using numbers, words, and symbols.
(Place Value to 1000
, Place Value
, Number Comparison
, Order Numbers to 1000
, Order Numbers
)
3.1.B Round whole numbers through 10,000 to the nearest ten, hundred, and thousand.
(Rounding Numbers
)
3.1.C Fluently and accurately add and subtract whole numbers using the standard regrouping algorithms.
(Long Addition to 1000
, Long Addition
, Long Subtraction
, Long Subtraction to 1000
)
3.1.D Estimate sums and differences to approximate solutions to problems and determine reasonableness of answers.
(Estimated Addition
, Estimated Subtraction
)
3.1.E Solve single- and multi-step word problems involving addition and subtraction of whole numbers and verify the solutions.
(Basic Word Problems
)
3.2. Core Content: Concepts of multiplication and division
3.2.A Represent multiplication as repeated addition, arrays, counting by multiples, and equal jumps on the number line, and connect each representation to the related equation.
(Understanding Multiplication
)
3.2.B Represent division as equal sharing, repeated subtraction, equal jumps on the number line, and formation of equal groups of objects, and connect each representation to the related equation.
(Understanding Division
)
3.2.C Determine products, quotients, and missing factors using the inverse relationship between multiplication and division.
(Missing Factor
, Inverse Equations 2
)
3.2.D Apply and explain strategies to compute multiplication facts to 10 X 10 and the related division facts.
(Beginner Multiplication
, Fast Multiplication
, Fast Multiplication Reverse
, Multiplication Facts Strategies
, Fast Division
)
3.2.E Quickly recall those multiplication facts for which one factor is 1, 2, 5, or 10 and the related division facts.
(Beginner Multiplication
)
3.2.F Solve and create word problems that match multiplication or division equations.
(Arithmetic Word Problems
, Basic Word Problems 2
)
3.2.G Multiply any number from 11 through 19 by a single-digit number using the distributive property and place value concepts.
(Basic Distributive Property
)
3.2.H Solve single- and multi-step word problems involving multiplication and division and verify the solutions.
(Arithmetic Word Problems
, Basic Word Problems 2
)
3.3. Core Content: Fraction concepts
3.3.A Represent fractions that have denominators of 2, 3, 4, 5, 6, 8, 9, 10, and 12 as parts of a whole, parts of a set, and points on the number line.
(Fraction Pictures
)
3.3.B Compare and order fractions that have denominators of 2, 3, 4, 5, 6, 8, 9, 10, and 12.
(Fraction Comparison
)
3.3.C Represent and identify equivalent fractions with denominators of 2, 3, 4, 5, 6, 8, 9, 10, and 12.
(Basic Fraction Simplification
)
3.3.D Solve single- and multi-step word problems involving comparison of fractions and verify the solutions.
3.4. Core Content: Geometry
3.4.A Identify and sketch parallel, intersecting, and perpendicular lines and line segments.
(Parallel and Perpendicular Lines
)
3.4.B Identify and sketch right angles.
3.4.C Identify and describe special types of quadrilaterals.
(Quadrilateral Types
)
3.4.D Measure and calculate perimeters of quadrilaterals.
3.4.E Solve single- and multi-step word problems involving perimeters of quadrilaterals and verify the solutions.
3.5. Additional Key Content
3.5.A Determine whether two expressions are equal and use .=. to denote equality.
(Compare Expressions
)
3.5.B Measure temperature in degrees Fahrenheit and degrees Celsius using a thermometer.
3.5.C Estimate, measure, and compare weight and mass using appropriate-sized U.S. customary and metric units.
3.5.D Estimate, measure, and compare capacity using appropriate-sized U.S. customary and metric units.
3.5.E Construct and analyze pictographs, frequency tables, line plots, and bar graphs.
(Tally and Pictographs
, Bar Graphs
)
3.6. Core Processes: Reasoning, problem solving, and communication
(Missing Operator
, Basic Word Problems
, Arithmetic Word Problems
, Basic Word Problems 2
)
3.6.A Determine the question(s) to be answered given a problem situation.
3.6.B Identify information that is given in a problem and decide whether it is necessary or unnecessary to the solution of the problem.
3.6.C Identify missing information that is needed to solve a problem.
3.6.D Determine whether a problem to be solved is similar to previously solved problems, and identify possible strategies for solving
3.6.E Select and use one or more appropriate strategies to solve a problem.
3.6.F Represent a problem situation using words, numbers, pictures, physical objects, or symbols.
3.6.G Explain why a specific problem-solving strategy or procedure was used to determine a solution.
3.6.H Analyze and evaluate whether a solution is reasonable, is mathematically correct, and answers the question.
3.6.I Summarize mathematical information, draw conclusions, and explain reasoning.
3.6.J Make and test conjectures based on data (or information) collected from explorations and experiments.
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