IXL Math - North Carolina first-grade math standards

IXL Math

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North Carolina

Skills available for North Carolina first-grade math standards

North Carolina math standards: 2008 North Carolina Standard Course of Study (Grades K-5)

North Carolina math standards: 2003 North Carolina Standard Course of Study (Grades K-6)

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.

Printable version

1.NO Number and Operations

1.1 The learner will read, write, and model whole numbers through 99 and compute with whole numbers.
1.1.01 Develop number sense for whole numbers through 99.
1.1.01.a Connect the model, number word, and number using a variety of representations.
- Counting and number patterns: Ordinal numbers (First grade - A.15)
- Counting and number patterns: Roman numerals I, V, X (First grade - A.17)
1.1.01.b Use efficient strategies to count the number of objects in a set.
1.1.01.c Read and write numbers.
- Counting and number patterns: Writing numbers in words (First grade - A.16)
1.1.01.d Compare and order sets and numbers.
1.1.01.e Build understanding of place value (ones, tens).
- Counting and number patterns: Counting tens and ones - up to 30 (First grade - A.3)
1.1.01.f Estimate quantities fewer than or equal to 100.
- Estimating: Estimate to the nearest ten (First grade - H.1)
1.1.01.g Recognize equivalence in sets and numbers 1-99.
- Addition: Ways to make a number - addition sentences (First grade - B.6)
- Subtraction: Ways to make a number - subtraction sentences (First grade - D.6)
1.1.02 Use groupings of 2's, 5's, and 10's with models and pictures to count collections of objects.
1.1.03 Develop fluency with single-digit addition and corresponding differences using strategies such as modeling, composing and decomposing quantities, using doubles, and making tens.
1.1.04 Create, model, and solve problems that use addition, subtraction, and fair shares (between two or three).

1.MEA Measurement

1.2 The learner will use non-standard units of measure and tell time.
1.2.01 For given objects:
1.2.01.a Select an attribute (length, capacity, mass) to measure (use non-standard units).
1.2.01.b Develop strategies to estimate size.
- Measurement: Which unit of length is appropriate? (First grade - M.2)
- Measurement: Which unit of weight is appropriate? (First grade - M.4)
1.2.01.c Compare, using appropriate language, with respect to the attribute selected.
- Measurement: Units of length: word problems (First grade - M.3)
- Measurement: Compare and convert cups, pints, and quarts (First grade - M.5)
1.2.02 Develop an understanding of the concept of time.
1.2.02.a Tell time at the hour and half-hour.
1.2.02.b Solve problems involving applications of time (clock and calendar).

1.GEO Geometry

1.3 The learner will identify, describe, draw, and build basic geometric figures.
1.3.01 Identify, build, draw and name parallelograms, squares, trapezoids, and hexagons.
- Geometry: Identify 2-dimensional shapes (First grade - J.1)
- Geometry: Identify planar and solid shapes (Second grade - T.1)
1.3.02 Identify, build, and name cylinders, cones, and rectangular prisms.
1.3.03 Compare and contrast geometric figures.
1.3.04 Solve problems involving spatial visualization.

1.DAP Data Analysis and Probability

1.4 The learner will understand and use data and simple probability concepts.
1.4.01 Collect, organize, describe and display data using line plots and tallies.
1.4.02 Describe events as certain, impossible, more likely or less likely to occur.

1.ALG Algebra

1.5 The learner will demonstrate an understanding of classification and patterning.
1.5.01 Sort and classify objects by two attributes.
1.5.02 Use Venn diagrams to illustrate similarities and differences in two sets.
- Sorting, ordering, and classifying: Venn diagrams (First grade - Q.1)
1.5.03 Create and extend patterns, identify the pattern unit, and translate into other forms.
- Patterns: Recognize patterns (First grade - O.1)
- Patterns: Describe patterns (First grade - O.2)