Skills available for South Dakota
second-grade
math standards
Standards are in
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and IXL math skills are in blue. Hold your
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Click on the name of a skill to practice that skill.
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2.A
Algebra
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2.A.2
Use a variety of algebraic concepts and methods to solve equations and inequalities.
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2.A.2.1
Students are able to use concepts of equal to, greater than, and less than to compare numbers (0-100).
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2.A.2.2
Students are able to solve open addition and subtraction sentences with one unknown using numbers equal to or less than 20.
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2.A.2.3
Students are able to balance simple addition and subtraction equations using sums up to 20.
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2.A.3
Interpret and develop mathematical models.
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2.A.3.1
Students are able to write and solve number sentences from word problems.
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2.A.4
Describe and use properties and behaviors of relations, functions and inverses.
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2.A.4.1
Students are able to find and extend growing patterns using symbols, objects, and numbers.
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2.A.4.2
Students are able to determine likenesses and differences between sets.
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2.G
Geometry
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2.G.1
Use deductive and inductive reasoning to recognize and apply properties of geometric figures.
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2.G.1.1
Students are able to use the terms side and vertex (corners) to identify plane and solid figures.
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2.G.2
Use properties of geometric figures to solve problems from a variety of perspectives.
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2.G.2.1
Students are able to identify geometric figures regardless of position and orientation in space.
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2.M
Measurement
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2.M.1
Apply measurement concepts in practical applications.
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2.M.1.1
Students are able to tell time to the minute using digital and analog clocks and relate time to daily events.
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2.M.1.2
Students are able to use the calendar to solve problems.
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2.M.1.3
Students are able to determine the value of a collection of like and unlike coins with a value up to $1.00.
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2.M.1.4
Students are able to represent and write the value of money using the "ยข" sign and in decimal form using the "$" sign.
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2.M.1.5
Students are able to use whole number approximations for capacity using non-standard units of measure.
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2.M.1.6
Students are able to solve everyday problems by measuring length to the nearest inch or foot.
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2.M.1.7
Students are able to locate and name concrete objects that are about the same length, height, weight, capacity, and temperature as a given concrete object.
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2.N
Number Sense
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2.N.1
Analyze the structural characteristics of the real number system and its various subsystems. Analyze the concept of value, magnitude, and relative magnitude of real numbers.
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2.N.1.1
Students are able to read, write, count, and sequence numerals to 100.
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2.N.1.2
Students are able to identify and represent fractions as parts of a group.
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2.N.2
Apply number operations with real numbers and other number systems.
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2.N.2.1
Students are able to solve two-digit addition and subtraction problems written in horizontal and vertical formats using a variety of strategies.
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2.N.3
Develop conjectures, predictions, or estimations to solve problems and verify or justify the results.
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2.N.3.1
Students are able to solve addition and subtraction problems up to 100 in context.
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2.S
Statistics and Probability
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2.S.1
Use statistical models to gather, analyze, and display data to draw conclusions.
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2.S.1.1
Students are able to use interviews, surveys, and observations to gather data.
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2.S.1.2
Students are able to represent data sets in more than one way.
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2.S.1.3
Students are able to answer questions about and generate explanations of data given in tables and graphs.
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2.S.2
Apply the concepts of probability to predict events/outcomes and solve problems.
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2.S.2.1
Students are able to list possible outcomes of a simple event and make predictions about which outcome is more or less likely to occur.
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