Grade 2 Math: Common Core alignment

• Operations and Algebraic Thinking
• Number and Operations in Base Ten
• Measurement and Data
• Geometry

Operations and Algebraic Thinking OA · 4 standards · 4 covered

• 2.OA.A.1
  Covered

  Solve one- and two-step story problems within 100

  • Unit 1 · Adding, Subtracting, and Working with Data: Diagrams to Compare
  • Unit 2 · Adding and Subtracting within 100: Represent and Solve Story Problems
• 2.OA.B.2
  Covered

  Add and subtract within 20 fluently; know all sums of two one-digit numbers

  • Unit 1 · Adding, Subtracting, and Working with Data: Add and Subtract Within 20
  • Unit 9 · Putting It All Together: Fluency Within 20 and Measurement
• 2.OA.C.3
  Covered

  Tell odd from even numbers; write an even number as a sum of two equal addends

  • Unit 8 · Equal Groups: Odd and Even
• 2.OA.C.4
  Covered

  Use addition to find the total in a rectangular array (up to 5 by 5)

  • Unit 8 · Equal Groups: Rectangular Arrays

Number and Operations in Base Ten NBT · 9 standards · 9 covered

• 2.NBT.A.1
  Covered

  Understand the hundreds, tens and ones in a three-digit number

  • Unit 5 · Numbers to 1,000: The Value of Three Digits
• 2.NBT.A.2
  Covered

  Count within 1,000; skip-count by 5s, 10s and 100s

  • Unit 5 · Numbers to 1,000: Count by 5s, 10s, and 100s
• 2.NBT.A.3
  Covered

  Read and write numbers to 1,000 in numerals, words and expanded form

  • Unit 5 · Numbers to 1,000: Read and Write Three-Digit Numbers, Expanded Form, Number Names to 1,000
• 2.NBT.A.4
  Covered

  Compare three-digit numbers with >, = and <

  • Unit 5 · Numbers to 1,000: Compare and Order Numbers within 1,000
• 2.NBT.B.5
  Covered

  Add and subtract within 100 fluently using place value

  • Unit 2 · Adding and Subtracting within 100 (whole unit, 23 lessons)
• 2.NBT.B.6
  Covered

  Add up to four two-digit numbers

  • Unit 2 · Adding and Subtracting within 100: Add Up to Four Two-Digit Numbers
• 2.NBT.B.7
  Covered

  Add and subtract within 1,000 with models and place-value strategies

  • Unit 7 · Adding and Subtracting within 1,000 (whole unit, 23 lessons)
• 2.NBT.B.8
  Covered

  Add or subtract 10 or 100 in your head

  • Unit 5 · Numbers to 1,000: 10 More, 10 Less, 100 More, 100 Less
  • Unit 7 · Adding and Subtracting within 1,000: Add 10 or 100 Mentally, Subtract 10 or 100 Mentally
• 2.NBT.B.9
  Covered

  Explain why addition and subtraction strategies work

  • Unit 2 · Adding and Subtracting within 100: Compare Subtraction Strategies
  • Unit 7 · Adding and Subtracting within 1,000: Explain Why Addition Strategies Work

Measurement and Data MD · 10 standards · 10 covered

• 2.MD.A.1
  Covered

  Measure length with rulers, yardsticks, meter sticks and tapes

  • Unit 3 · Measuring Length: Measure in Centimeters, Use a Centimeter Ruler, Measure in Inches, Choose the Right Tool
• 2.MD.A.2
  Covered

  Measure the same object in two different units

  • Unit 3 · Measuring Length: Same Length, Different Units
• 2.MD.A.3
  Covered

  Estimate lengths in inches, feet, centimeters and meters

  • Unit 3 · Measuring Length: Estimate Lengths
• 2.MD.A.4
  Covered

  Find how much longer one object is than another

  • Unit 3 · Measuring Length: Compare Lengths in Centimeters
• 2.MD.B.5
  Covered

  Solve length story problems within 100

  • Unit 3 · Measuring Length: Length Story Problems, Length Problems with Tape Diagrams
• 2.MD.B.6
  Covered

  Show numbers, sums and differences on a number line

  • Unit 4 · Addition and Subtraction on the Number Line (whole unit, 16 lessons)
• 2.MD.C.7
  Covered

  Tell time to the nearest five minutes, using a.m. and p.m.

  • Unit 6 · Geometry, Time, and Money: Time on the Clock
• 2.MD.C.8
  Covered

  Solve story problems with dollars and coins

  • Unit 6 · Geometry, Time, and Money: The Value of Money
• 2.MD.D.9
  Covered

  Collect length data and show it on a line plot

  • Unit 3 · Measuring Length: Line Plots
• 2.MD.D.10
  Covered

  Make and read picture graphs and bar graphs

  • Unit 1 · Adding, Subtracting, and Working with Data: Ways to Represent Data

Geometry G · 3 standards · 3 covered

• 2.G.A.1
  Covered

  Recognize and draw shapes with given attributes, like a number of angles

  • Unit 6 · Geometry, Time, and Money: Attributes of Shapes
• 2.G.A.2
  Covered

  Split a rectangle into rows and columns of equal squares

  • Unit 6 · Geometry, Time, and Money: Partition Rectangles into Squares
• 2.G.A.3
  Covered

  Split circles and rectangles into halves, thirds and fourths

  • Unit 6 · Geometry, Time, and Money: Halves, Thirds, and Fourths

Every Grade 2 unit and lesson

Common Core State Standards © Copyright 2010 National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved. The standard descriptions on these pages are KidUniversity's own short summaries, not the official text; read the full standards at thecorestandards.org. KidUniversity is not affiliated with or endorsed by the NGA Center or CCSSO.