IXL Math - District of Columbia kindergarten math standards

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District of Columbia

Skills available for District of Columbia kindergarten math standards

Standards are in black and IXL math skills are in blue. Hold your mouse over the name of a skill to view a sample problem. Click on the name of a skill to practice that skill.

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K.NSO Number Sense and Operations

K.NSO-N Number Sense
K.NSO-N.1 Count by ones to at least 20.
K.NSO-N.2 Represent, name, and order a set of objects (up to 20).
K.NSO-N.3 Match quantities up to at least 10 with numerals and words.
K.NSO-N.4 Compare sets of up to at least 10 concrete objects using appropriate language (e.g., none, more than, fewer than, same number of, one more than).
K.NSO-N.5 Identify positions of objects in sequences (e.g., first, second) up to fifth.
- Counting and number patterns: Ordinal numbers (First grade - A.15)
K.NSO-N.6 Identify U.S. coins by name and determine their value.
K.NSO-F Fractions
K.NSO-F.7 Understand the concepts of whole and half.
- Fractions: Identify halves, thirds, fourths (Kindergarten - L.1)
- Fractions: Equal parts (Kindergarten - L.2)
K.NSO-C Computation and Operations
K.NSO-C.8 Use objects and drawings to model and solve related addition and subtraction problems to 10.
K.NSO-E Estimation
K.NSO-E.9 Estimate the number of objects in a group and verify results.
- Estimating: Estimate to the nearest ten (First grade - H.1)

K.PRA Patterns, Relations, and Algebra

K.PRA.1 Identify the attributes of objects as a foundation for sorting and classifying.
- Sorting, ordering, and classifying: Same (Kindergarten - N.1)
- Sorting, ordering, and classifying: Classify by color (Kindergarten - N.4)
K.PRA.2 Sort and classify objects by attributes and explain; identify objects that do not belong to a particular group.
K.PRA.3 Identify, reproduce, describe, extend, and create color, rhythmic, shape, number, and letter repeating patterns with simple attributes.
K.PRA.4 Count by fives and tens up to at least 50.

K.G Geometry

K.G.1 Name shapes of pattern blocks (e.g., triangle, square, circle).
- Geometry: Identify shapes I (Kindergarten - S.1)
- Geometry: Identify shapes II (Kindergarten - S.2)
K.G.2 Describe attributes of two-dimensional shapes (e.g., number of sides, number of corners, size, roundness); sort these shapes.
- Geometry: Count sides and corners (Kindergarten - S.5)
- Geometry: Compare sides and corners (Kindergarten - S.6)
K.G.3 Identify and compare three-dimensional shapes.
K.G.4 Identify positions of objects in space and use appropriate language to describe and compare their relative positions.

K.M Measurement

K.M.1 Recognize and compare objects with respect to the attributes of length, volume/capacity, weight, area, and time using appropriate language.
K.M.2 Make and use estimates of measurements from everyday experiences.
K.M.3 Use standard and nonstandard units to measure length.
K.M.4 Order events in a day.
- Time: Times of everyday events (Kindergarten - M.3)
K.M.5 Tell time to the nearest hour.
K.M.6 Identify U.S. coins and their value.

K.DASP Data Analysis, Statistics, and Probability

K.DASP.1 Gather data about self and the environment to answer questions of interest to children; record the results using concrete graphs and simple picture graphs to display data.
K.DASP.2 Describe relationships displayed in graphs, tables, or other representations.
- Probability: More or less likely (Kindergarten - P.1)