2nd Grade Math (Wyoming Standards)

Mathematical Practices (MP)

• 2.MP.1 Make sense of problems and keep at them.
• 2.MP.2 Reason with quantities and turn situations into number sentences.
• 2.MP.3 Build and critique arguments through math talk.
• 2.MP.4 Show problems in several ways and connect them.
• 2.MP.5 Choose and judge useful tools.
• 2.MP.6 Use clear math language and symbols.
• 2.MP.7 Spot and use patterns and the structure of numbers.
• 2.MP.8 Notice repeated steps and shortcuts.

Operations and Algebraic Thinking (OA)

• 2.OA.1 Solve one- and two-step addition and subtraction word problems within 100.
• 2.OA.2 Add and subtract within 20 fluently, knowing one-digit sums by heart.

Number and Operations in Base Ten (NBT)

• 2.NBT.1 Understand hundreds, tens and ones in three-digit numbers.
  • 2.NBT.1a See 100 as ten tens.
  • 2.NBT.1b See 100 to 900 as whole hundreds.
  • 2.NBT.1c Break three-digit numbers apart in more than one way.
• 2.NBT.4 Compare three-digit numbers using place value and comparison symbols.
• 2.NBT.5 Add and subtract within 100 using place-value strategies.
• 2.NBT.7 Add and subtract within 1,000 with models and place value.
  • 2.NBT.7a Explain the written method behind a strategy.
  • 2.NBT.7b Combine like place values, hundreds with hundreds and so on.
  • 2.NBT.7c Know when to regroup tens or hundreds.

Measurement and Data (MD)

• 2.MD.1 Measure length with suitable tools.
• 2.MD.7 Tell and write time in five-minute steps with a.m. and p.m.
• 2.MD.8 Solve money word problems up to $10 using the right symbols.

Geometry (G)

• 2.G.2 Count the squares in a rectangle split into equal rows and columns.
• 2.G.3 Split shapes into equal shares.
  • 2.G.3a Name shares as halves, thirds and fourths.
  • 2.G.3b Describe a whole as two halves, three thirds or four fourths.
  • 2.G.3c Know equal shares need not look the same.