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2nd Grade Math

South Dakota 2nd Grade Math Curriculum

Video lessons and practice for every 2nd grade math topic. Aligned to South Dakota Math Standards so your child keeps up with what school teaches.

South Dakota 2nd Grade Math Curriculum | StudyPugHelp

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ID

Standard

StudyPug Topic

2.OA.A.1

Use addition and subtraction within 100 to solve one- and two-step word problems

2.OA.C.3

Determine whether a group of objects (up to 20) has an odd or even number of members

2.OA.C.4

Use addition to find the total number of objects arranged in rectangular arrays

2.NBT.A.1

Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones

2.NBT.A.3

Read and write numbers to 1000 using base-ten numerals, number names, and expanded form

2.NBT.A.4

Compare two three-digit numbers based on meanings of the hundreds, tens, and ones digits

2.NBT.B.7

Add and subtract within 1000, using concrete models or drawings

2.NBT.B.8

Mentally add 10 or 100 to a given number 100–900, and mentally subtract 10 or 100 from a given number 100–900

2nd Grade Math Topics in South Dakota

South Dakota 2nd grade math covers a wide range of foundational skills that students need before moving into 3rd grade. Every topic on this page follows South Dakota Math Standards, so what your child learns on StudyPug matches exactly what their teacher is covering in class.

Addition and Subtraction

Students in 2nd grade work on adding and subtracting within 100 and within 1000. They solve one- and two-step word problems, add up to four two-digit numbers, and learn to mentally add or subtract 10 or 100 from any number between 100 and 900. Fluency with these strategies prepares students for more complex math in later grades.

Place Value

Understanding place value is a major focus of 2nd grade math. Students learn that three-digit numbers are made of hundreds, tens, and ones. They read and write numbers to 1000 in multiple forms — base-ten numerals, number names, and expanded form — and compare three-digit numbers using the symbols >, =, and <.

Measurement and Data

2nd graders measure objects using inches, feet, centimeters, and meters. They estimate lengths, compare measurements, and solve word problems involving length. Students also tell time to the nearest five minutes and solve money problems using dollar bills, quarters, dimes, nickels, and pennies. Data skills include drawing picture graphs and bar graphs with up to four categories.

Geometry

Students recognize and draw shapes with specific attributes, partition rectangles into rows and columns of equal squares, and divide circles and rectangles into equal shares. These early geometry concepts build visual and spatial reasoning that students use throughout their school years.

How StudyPug Helps South Dakota 2nd Graders

Every topic listed on this page has its own video lesson and practice problems on StudyPug. South Dakota students can use it to get ahead, catch up, or reinforce what they learned in class. Lessons are short, clear, and easy to replay — perfect for homework help at any time of day.