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Oregon Math Standards - 4th Grade
MathScore aligns to the Oregon Math Standards for 4th 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 Oregon Math Standards at other levels.
Number and Operations
4.1 Number and Operations: Develop an understanding of decimals, including the connections between fractions and decimals.4.1.1 Extend the base-ten system to read, write, and represent decimal numbers (to the hundredths) between 0 and 1, between 1 and 2, etc. (Decimal Place Value )
4.1.2 Use models to connect and compare equivalent fractions and decimals. (Positive Number Line )
4.1.3 Determine decimal equivalents or approximations of common fractions. (Fractions to Decimals )
4.1.4 Compare and order fractions and decimals. (Order Decimals , Compare Mixed Values , Fraction Comparison , Compare Decimals , Basic Fraction Comparison )
4.1.5 Estimate decimal or fractional amounts in problem solving. (Decimal Rounding to .01 , Money Addition , Money Subtraction )
4.1.6 Represent money amounts to $10.00 in dollars and cents, and apply to situations involving purchasing ability and making change. (Making Change , Making Change 2 , Counting Money )
Number and Operations and Algebra
4.2 Number and Operations and Algebra: Develop fluency with multiplication facts and related division facts, and with multi-digit whole number multiplication.4.2.1 Apply with fluency multiplication facts to 10 times 10 and related division facts. (Beginner Multiplication , Fast Multiplication , Fast Multiplication Reverse , Multiplication Facts Strategies , Fast Division , Missing Factor , Arithmetic Word Problems , Basic Word Problems 2 )
4.2.2 Apply understanding of models for multiplication (e.g., equal-sized groups, arrays, area models, equal intervals on the number line), place value, and properties of operations (commutative, associative, and distributive). (Understanding Multiplication , Associative Property 2 , Commutative Property 2 , Basic Distributive Property )
4.2.3 Select and use appropriate estimation strategies for multiplication (e.g., use benchmarks, overestimate, underestimate, round) to calculate mentally based on the problem situation when computing with whole numbers. (Estimated Multiplication , Estimated Division , Estimated Multiply Divide Word Problems )
4.2.4 Develop and use accurate, efficient, and generalizable methods to multiply multi-digit whole numbers. (Multiplication By One Digit , Long Multiplication )
4.2.5 Develop fluency with efficient procedures for multiplying multi-digit whole numbers and justify why the procedures work on the basis of place value and number properties. (Multiplication By One Digit , Long Multiplication )
Measurement
4.3 Measurement: Develop an understanding of area and determine the areas of two-dimensional shapes.4.3.1 Recognize area as an attribute of two-dimensional regions.
4.3.2 Determine area by finding the total number of same-sized units of area that cover a shape without gaps or overlaps.
4.3.3 Recognize a square that is one unit on a side as the standard unit for measuring area.
4.3.4 Determine the appropriate units, strategies, and tools to solving problems that involve estimating or measuring area.
4.3.5 Connect area measure to the area model used to represent multiplication and use this to justify the formula for area of a rectangle.
4.3.6 Find the areas of complex shapes that can be subdivided into rectangles. (Perimeter and Area of Composite Figures )
4.3.7 Solve problems involving perimeters and areas of rectangles and squares. (Compare Rectangle Area and Perimeter , Perimeter and Area Word Problems )
4.3.8 Recognize that rectangles with the same area can have different perimeters and that rectangles with the same perimeter can have different areas. (Compare Rectangle Area and Perimeter )
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