IXL Math - West Virginia second-grade math standards

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West Virginia

Skills available for West Virginia second-grade math standards

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2.M.S.2.1 Number and Operations

2.M.O.2.1.1 read, write, order, and compare numbers to 1,000 using multiple strategies (e.g. symbols, manipulatives, number line).
2.M.O.2.1.2 justify any number as odd or even and determine if a set has and odd or even number of elements.
2.M.O.2.1.3 count and group concrete manipulatives by ones, tens, and hundreds to 1,000.
2.M.O.2.1.4 model and identify place value of each digit utilizing standard and expanded form through 1000.
2.M.O.2.1.5 identify and read any ordinal number to identify position in a sequence.
- Names of numbers: Ordinal numbers up to 10th (Second grade - C.1)
- Names of numbers: Ordinal numbers up to 100th (Second grade - C.2)
2.M.O.2.1.6 round any 3-digit number to both the nearer 10 and 100.
2.M.O.2.1.7 Identify and explain fractions as part of a whole and as part of a set/group using models.
2.M.O.2.1.8 model and justify the relationship between addition and subtraction (e.g., identity element of addition, associative property, commutative property, inverse operations, fact families).
2.M.O.2.1.9 demonstrate quick recall of basic addition facts with sums to 18 and corresponding subtraction facts.
2.M.O.2.1.10 model 2- and 3-digit addition and subtraction with regrouping using multiple strategies.
- Place values: Regrouping tens and ones I (Second grade - M.7)
- Place values: Regrouping tens and ones II (Second grade - M.8)
2.M.O.2.1.11 add and subtract 2- and 3-digit numbers without regrouping.
2.M.O.2.1.12 use rounding to analyze the reasonableness of a sum or a difference.
- Estimation and rounding: Estimate sums (Second grade - N.5)
2.M.O.2.1.13 create story problems that require one or two-step procedures, using a variety of strategies explain the reasoning used , justify the procedures selected and present the results.

2.M.S.2.2 Algebra

2.M.O.2.2.1 analyze, describe, extend and create a growing pattern using objects or numbers.
2.M.O.2.2.2 explain how one variable produces a change in another variable
- Mixed operations: Addition and subtraction - balance equations - up to 100 (Second grade - L.5)
2.M.O.2.2.3 describe, complete and extend a variety of counting patterns, according to a given rule.
2.M.O.2.2.4 create physical models to demonstrate equivalency of two numerical expressions written as a grade-appropriate number sentence.

2.M.S.2.3 Geometry

2.M.O.2.3.1 identify and describe the following geometric solids according to the number of faces and edges:
- Geometry: Count sides, vertices, edges, and faces (Second grade - T.3)
2.M.O.2.3.1.a rectangular solid
2.M.O.2.3.1.b cube
2.M.O.2.3.1.c cylinder
2.M.O.2.3.1.d cone
2.M.O.2.3.1.e pyramid
2.M.O.2.3.2 compare and contrast plane and solid geometric shapes.
- Geometry: Identify planar and solid shapes (Second grade - T.1)
- Geometry: Compare sides, vertices, edges, and faces (Second grade - T.2)
2.M.O.2.3.3 identify and draw congruent shapes that have been rotated or reflected
- Geometry: Flip, turn, and slide (Second grade - T.6)
2.M.O.2.3.4 model and draw line segments and angles.
- Geometry: Angles: greater than, less than, or equal to a right angle (Third grade - P.9)
- Geometry: Lines, line segments, and rays (Third grade - P.10)
2.M.O.2.3.5 plot and describe the path between locations on a grid.
2.M.O.2.3.6 identify similar shapes.
- Geometry: Same shape (First grade - J.12)
- Geometry: Similar and congruent (Third grade - P.4)

2.M.S.2.4 Measurement

2.M.O.2.4.1 identify a real life situation to use appropriate measurement tools; over time make a hypothesis as to the change overtime using whole units: length in centimeters and inches, temperature in Celsius and Fahrenheit, weight/mass in pounds and kilograms, and design and implement a method to collect, organize, and analyze data; analyze the results to make a conclusion evaluate the validity of the hypothesis based upon collected data; design a mode of presentation (with and without technology).
2.M.O.2.4.2 estimate and determine the perimeter of squares, rectangles and triangles.
- Geometry: Perimeter (Second grade - T.7)
- Geometry: Perimeter - word problems (Second grade - T.8)
2.M.O.2.4.3 estimate and count the number of square units needed to cover a given area using manipulatives.
- Geometry: Area (Second grade - T.9)
2.M.O.2.4.4 order events in relation to time.
- Time: Compare clocks (Second grade - Q.8)
2.M.O.2.4.5 determine past and future days of the week and identify specific dates, given a calendar.
2.M.O.2.4.6 read time to the quarter hour using an analog and digital clock.
2.M.O.2.4.7 identify, count and organize coins and bills to display a variety of price values from real-life examples with a total value of one dollar or less and model making change using manipulatives.

2.M.S.2.5 Data Analysis and Probability

2.M.O.2.5.1 create, read, and interpret a pictograph with each picture representing greater than or equal to a single unit.
- Data and graphs: Interpret pictographs (Second grade - R.5)
2.M.O.2.5.2 conduct simple experiments with more than two outcomes and use the data to predict which event is more, less, or equally likely to occur if the experiment is repeated.
- Probability and statistics: More, less, and equally likely (Second grade - V.1)
- Probability and statistics: Certain, probable, unlikely, and impossible (Second grade - V.2)
2.M.O.2.5.3 analyze data represented on a graph using grade-appropriate questions.
2.M.O.2.5.4 formulate questions, collect data, organize and display as a chart, table or bar graph.
- Data and graphs: Record data using line graphs (Second grade - R.7)