IXL Math - District of Columbia pre-K math standards

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District of Columbia

Skills available for District of Columbia pre-K 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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PK.NSO Number Sense and Operations

PK.NSO-N Number Sense
PK.NSO-N.1 Use one-to-one correspondence.
- Comparing: Compare in a chart (fewer or more) (Pre-K - F.2)
- Money: Count pennies (Pre-K - J.4)
PK.NSO-N.2 Count with understanding to at least 10.
PK.NSO-N.3 Use numbers to tell how many (number quantity).
PK.NSO-N.4 Use numbers and counting as a means to solve problems, predict, and measure quantities.
- Comparing: Compare groups (fewer or more) (Pre-K - F.1)
- Comparing: Compare in a mixed group (Pre-K - F.3)
PK.NSO-N.5 Recognize and name numerals up to 10.
PK.NSO-N.6 Quickly recognize quantity of small groups of objects up to 4.
PK.NSO-N.7 Construct sets of a given number using concrete objects.
PK.NSO-N.8 Use ordinal numbers and positional words in everyday activities.
- Positions: Inside and outside (Pre-K - G.1)
- Positions: Left and right (Pre-K - G.2)
PK.NSO-C Computation and Operations
PK.NSO-C.9 Demonstrate the idea of adding and subtracting by using concrete objects.
- Adding: Addition with pictures - sums up to 5 (Kindergarten - I.1)
- Subtracting: Subtract with pictures - numbers up to 5 (Kindergarten - J.1)

PK.PRA Patterns, Relations, and Algebra

PK.PRA.1 Sort and classify objects by more than one attribute - color, shape, size, number, etc.
PK.PRA.2 Recognize, describe, and copy simple patterns.
- Patterns: Similar patterns (Kindergarten - H.1)

PK.G Geometry

PK.G.1 Describe, name, and interpret distance and position in space; understand and use positional words.
PK.G.2 Recognize, name, and describe simple two- and three-dimensional shapes.
PK.G.3 Match, sort, and classify shapes.
PK.G.4 Put together and take apart shapes to make new shapes.
PK.G.5 Create shapes using concrete materials such as straws.

PK.M Measurement

PK.M.1 Identify appropriate tools of measurement.
PK.M.2 Make use of nonstandard and standard units for measurement to obtain information.
PK.M.3 Show awareness of time concepts and sequence.
- Time: Seasons (Kindergarten - M.5)
- Time: A.M. and P.M. (Kindergarten - M.6)

PK.DASP Data Analysis, Statistics, and Probability

PK.DASP.1 Graph real objects or pictures of objects (no more than three) as a way to organize information.
- Comparing: Compare in a chart (fewer or more) (Pre-K - F.2)
PK.DASP.2 Describe and analyze information from graphs.
- Data and graphs: Making graphs (Kindergarten - O.1)