IXL Math - West Virginia fourth-grade math standards

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West Virginia

Skills available for West Virginia fourth-grade math standards

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4.M.S.4.1 Number and Operations

4.M.O.4.1.1 read, write, order, and compare whole numbers to the millions place and decimals to thousandths place using a variety of strategies (e.g. symbols, manipulatives, number line, pictorial representations).
4.M.O.4.1.2 demonstrate an understanding of the place value of each digit utilizing standard and expanded form through 1,000,000 with multiples of 10 [(5 X 10,000) + (3 X 1,000) + (4 X 10) + 2].
- Number sense: Place values (Fourth grade - A.1)
- Number sense: Convert between place values (Fourth grade - A.2)
4.M.O.4.1.3 estimate solutions to problems including rounding, benchmarks, compatible numbers and evaluate the reasonableness of the solution, justify results.
4.M.O.4.1.4 using concrete models, benchmark fractions, number line
4.M.O.4.1.4.a compare and order fractions with like and unlike denominators
- Fractions and mixed numbers: Compare fractions (Fourth grade - Q.5)
- Fractions and mixed numbers: Order fractions from least to greatest (Fourth grade - Q.6)
4.M.O.4.1.4.b add and subtract fractions with like and unlike denominators
4.M.O.4.1.4.c model equivalent fractions
- Fractions and mixed numbers: Equivalent fractions (Fourth grade - Q.1)
- Fractions and mixed numbers: Patterns of equivalent fractions (Fourth grade - Q.2)
4.M.O.4.1.4.d model addition and subtraction of mixed numbers with and without regrouping.
4.M.O.4.1.5 analyze the relationship of fractions to decimals using concrete objects and pictorial representations.
4.M.O.4.1.6 round decimals to the nearest whole, 10th, or 100th place.
- Decimals: Round decimals (Fourth grade - S.8)
4.M.O.4.1.7 add and subtract whole numbers(up to five -digit number) and decimals to the 1000th place, multiply (up to three digits by two-digits, and divide(up to a three digit number with a one and two-digit number).
4.M.O.4.1.8 solve multi-digit whole number multiplication problems using a variety of strategies, including the standard algorithm, justify methods used.
4.M.O.4.1.9 quick recall of basic multiplication facts and corresponding division facts.
4.M.O.4.1.10 create grade-level real-world appropriate story problems using multiple strategies including simple ratios, justify the reason for choosing a particular strategy and present results.

4.M.S.4.2 Algebra

4.M.O.4.2.1 determine the rule and explain how change in one variable relates to the change in the second variable, given an input/output model using two operations.
- Functions: Input/output tables with addition, subtraction, multiplication, and division (Fourth grade - H.1)
4.M.O.4.2.2 recognize and describe relationships in which quantities change proportionally.
4.M.O.4.2.3 represent the idea of a variable as an unknown quantity using a letter, write an expression using a variable to describe a real-world situation.
4.M.O.4.2.4 solve real-world problems involving order of operations including grouping symbols and the four operations,

4.M.S.4.3 Geometry

4.M.O.4.3.1 identify, classify, compare and contrast two-dimensional (including quadrilateral shapes) and three-dimensional geometric figures according to attributes.
4.M.O.4.3.2 recognize and describe three-dimensional objects from different perspectives.
- Geometry: Nets of 3-dimensional figures (Fourth grade - P.9)
- Geometry: Three-dimensional figures viewed from different perspectives (Fifth grade - B.23)
4.M.O.4.3.3 identify, draw, label, compare and classify
4.M.O.4.3.3.a lines (intersecting, parallel, and perpendicular)
- Geometry: Parallel, perpendicular, intersecting (Fourth grade - P.21)
4.M.O.4.3.3.b angles (acute, right, obtuse, and straight)
4.M.O.4.3.4 identify and create a two-dimensional design with one line of symmetry.
- Geometry: Lines of symmetry (Fourth grade - P.20)
4.M.O.4.3.5 graph/plot ordered pairs on a first-quadrant grid and use the coordinate system to specify location and describe path.
4.M.O.4.3.6 draw and identify parts of a circle: center point, diameter, and radius.
- Geometry: Parts of a circle (Fourth grade - P.13)
4.M.O.4.3.7 select, analyze and justify appropriate use of transformations (translations, rotations, flips) to solve geometric problems including congruency and tiling (tessellations).
- Geometry: Reflection, rotation, and translation (Fifth grade - B.7)

4.M.S.4.4 Measurement

4.M.O.4.4.1 select appropriate measuring tools, apply and convert standard units within a system to estimate, measure, compare and order real-world measurements including: lengths using customary (to the nearest one-fourth inch) and metric units, weight, capacity, temperature, and justify and present results.
- Measurement: Compare and convert customary units (Fourth grade - N.1)
- Measurement: Compare and convert metric units (Fourth grade - N.2)
4.M.O.4.4.2 Quantify area by finding the total number of same sized units that cover a shape, develop a rule and justify the formula for the area of a rectangle using the area model representing multiplication.
- Geometry: Area of squares and rectangles (Fourth grade - P.15)
4.M.O.4.4.3 read time to the minute, calculate elapsed time in hours/minutes within a 24-hour period.
4.M.O.4.4.4 given real-world situations, count coins and bills and determine correct change.
- Money: Making change (Fourth grade - M.5)

4.M.S.4.5 Data Analysis and Probability

4.M.O.4.5.1 read and interpret information represented on a circle graph.
- Data, charts, and graphs: Circle graphs (Fourth grade - J.6)
4.M.O.4.5.2 pose a grade-appropriate question that can be addressed with data, collect, organize, display, and analyze data in order to answer the question.
4.M.O.4.5.3 design and conduct a simple probability experiment using concrete objects, examine and list all possible combinations using a tree diagram, represent the outcomes as a ratio and present the results.