IXL Math - West Virginia first-grade math standards

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West Virginia

Skills available for West Virginia first-grade math standards

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1.M.S.1.1 Number and Operations

1.M.O.1.1.1 count forward to 100 and backward from 20 with and without manipulatives.
1.M.O.1.1.2 read, write, order, and compare numbers to 100 using multiple strategies (e.g. manipulatives, number line, symbols).
1.M.O.1.1.3 identify odd and even numbers to 20 and determine if a set of objects has an odd or even number of elements.
- Counting and number patterns: Identifying even and odd numbers (First grade - A.11)
- Counting and number patterns: Which even or odd number comes before or after? (First grade - A.12)
1.M.O.1.1.4 group and count manipulatives by ones, fives, and tens to 100.
- Counting and number patterns: Skip-counting - with pictures (First grade - A.6)
1.M.O.1.1.5 model and identify place value of each digit utilizing standard and expanded form to 100.
1.M.O.1.1.6 round any two-digit number to the nearest 10.
- Estimation and rounding: Round to the nearest ten (Second grade - N.2)
1.M.O.1.1.7 use ordinal numbers 1st - 20th to identify position in a sequence.
- Counting and number patterns: Ordinal numbers (First grade - A.15)
1.M.O.1.1.8 estimate the number of objects in a group of 100 or less and count to evaluate reasonableness of estimate.
- Estimating: Estimate to the nearest ten (First grade - H.1)
1.M.O.1.1.9 identify, name, and explain why a given part is a half, third or fourth of a whole or part of a group, using concrete models.
1.M.O.1.1.10 use concrete objects to model the addition of two or three addends and subtraction of whole numbers related to sums less than 18 and write the corresponding number sentence.
1.M.O.1.1.11 model operations, addition and subtraction, and the relationship between addition and subtraction (e.g., identity element of addition, commutative property, fact families, inverse operations) using concrete objects.
1.M.O.1.1.12 quick recall of basic addition facts with sums to 10 and corresponding subtraction facts.
1.M.O.1.1.13 model and solve 2-digit addition and subtraction without regrouping.
- Addition: Add a one-digit number to a two-digit number (First grade - B.18)
- Subtraction: Subtract one-digit numbers from two-digit numbers (First grade - D.16)
1.M.O.1.1.14 create grade-appropriate picture and story problems using a variety of strategies (with and without technology), present solutions and justify results.

1.M.S.1.2 Algebra

1.M.O.1.2.1 sort and classify objects by more than one attribute, using various strategies, including Venn Diagrams.
- Geometry: Same shape (First grade - J.12)
- Sorting, ordering, and classifying: Venn diagrams (First grade - Q.1)
1.M.O.1.2.2 determine the rule or give the output given an input/output model using addition or subtraction.
1.M.O.1.2.3 identify and write number patterns by 2's, 5's, and 10's.
- Counting and number patterns: Counting by twos, fives, and tens - up to 100 (First grade - A.7)
- Counting and number patterns: Sequences - count up and down by 1, 2, 3, 5, and 10 (First grade - A.14)
1.M.O.1.2.4 create and analyze number patterns based on real-life situations using words, AB form, and T-charts and present results.
- Counting and number patterns: Skip-counting patterns - with tables (First grade - A.13)
1.M.O.1.2.5 use concrete materials to demonstrate that the quantities on both sides of a grade-appropriate number sentence are equivalent.

1.M.S.1.3 Geometry

1.M.O.1.3.1 draw, label, and sort circle, rectangles including squares, triangles, and according to sides and vertices
- Geometry: Count sides and vertices (First grade - J.5)
- Geometry: Compare sides and vertices (First grade - J.7)
1.M.O.1.3.2 use physical materials to construct, identify, and classify three-dimensional figures:
1.M.O.1.3.2.a cube
1.M.O.1.3.2.b cone
1.M.O.1.3.2.c sphere
1.M.O.1.3.2.d rectangular solid
1.M.O.1.3.2.e pyramid
1.M.O.1.3.2.f cylinder
1.M.O.1.3.3 recognize three-dimensional shapes in the environment.
- Geometry: Identify 3-dimensional figures (First grade - J.2)
1.M.O.1.3.4 draw and identify
1.M.O.1.3.4.a open and closed figures
- Geometry: Open and closed shapes (First grade - J.9)
1.M.O.1.3.4.b congruent plane shapes
- Geometry: Congruent (Second grade - T.5)
1.M.O.1.3.5 create and describe simple symmetrical designs
- Geometry: Symmetry (First grade - J.11)
1.M.O.1.3.6 describe spatial relationships: over/under, left/right.
- Spatial sense: Left, middle, and right (First grade - K.1)
- Spatial sense: Above, below, top, middle, and bottom (First grade - K.2)
1.M.O.1.3.7 find and name locations on a first-quadrant grid.
- Spatial sense: Location in a three-by-three grid (First grade - K.3)
1.M.O.1.3.8 predict the result of combining or decomposing two or more two-dimensional/three-dimensional shapes.

1.M.S.1.4 Measurement

1.M.O.1.4.1 estimate, measure, compare and order using customary, metric, and nonstandard units to determine length to nearer whole unit.
- Measurement: Which unit of length is appropriate? (First grade - M.2)
- Measurement: Units of length: word problems (First grade - M.3)
1.M.O.1.4.2 select appropriate units and tools to measure and compare two objects or events according to one or more of the following attributes: length, height, weight, temperature, volume. justify selection of units and tools used to measure the attributes and present results.
1.M.O.1.4.3 use calendar to identify date, sequence of days of the week, and months of the year.
1.M.O.1.4.4 explain time concept in context of personal experience.
- Time: Times of everyday events (First grade - R.4)
- Time: A.M. or P.M. (First grade - R.6)
1.M.O.1.4.5 read time to the half hour using an analog and digital clock.
1.M.O.1.4.6 identify, count, trade and organize the following coins and bill to display a variety of price values from real-life examples with a total value of 100 cents or less.
1.M.O.1.4.6.a penny
1.M.O.1.4.6.b nickel
1.M.O.1.4.6.c dime
1.M.O.1.4.6.d quarter
1.M.O.1.4.6.e dollar bill

1.M.S.1.5 Data Analysis and Probability

1.M.O.1.5.1 identify a real life situation to gather data over time; make a hypothesis as to the outcome; design and implement a method to collect, organize, and analyze the results to make a conclusion; evaluate the validity of the hypothesis based upon collected data; design a mode of presentation using a pictograph and a bar graph (with and without technology).
1.M.O.1.5.2 conduct simple experiments, record data on a tally chart or table and use the data to predict which of the events is more likely or less likely to occur if the experiment is repeated.