Grade 1 Math: Common Core alignment

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

Operations and Algebraic Thinking OA · 8 standards · 8 covered

• 1.OA.A.1
  Covered

  Solve addition and subtraction story problems within 20, with the unknown in any position

  • Unit 9 · Addition Story Problems (whole unit, 7 lessons)
  • Unit 10 · Subtraction Story Problems (whole unit, 7 lessons)
• 1.OA.A.2
  Covered

  Solve story problems that add three whole numbers (sum up to 20)

  • Unit 11 · Three Numbers and Mixed Problems: Story Problems with Three Numbers
• 1.OA.B.3
  Covered

  Use the properties of operations (switching the order, grouping) as strategies

  • Unit 5 · Addition Strategies to 20: Switching the Order
  • Unit 7 · Fact Families: Turn-Around Facts
  • Unit 11 · Three Numbers and Mixed Problems: Adding Three Numbers, Look for a 10 or a Double
• 1.OA.B.4
  Covered

  Understand subtraction as an unknown-addend problem

  • Unit 6 · Subtraction Strategies to 20: Think Addition to Subtract
• 1.OA.C.5
  Covered

  Relate counting on and counting back to addition and subtraction

  • Unit 2 · Adding: Putting Together: Counting On to Add
  • Unit 3 · Subtracting: Taking Away: Counting Back to Subtract
  • Unit 6 · Subtraction Strategies to 20: Counting Back Within 20, Counting Up to Subtract
• 1.OA.C.6
  Covered

  Add and subtract within 20 using strategies; be fluent within 10

  • Unit 2 · Adding: Putting Together: Addition Facts to 10
  • Unit 3 · Subtracting: Taking Away: Subtraction Facts to 10
  • Unit 5 · Addition Strategies to 20 (whole unit, 8 lessons)
  • Unit 6 · Subtraction Strategies to 20 (whole unit, 8 lessons)
• 1.OA.D.7
  Covered

  Understand the equal sign; decide whether equations are true or false

  • Unit 8 · The Equal Sign: Equal Means the Same As, True or False?, The Answer Can Come First, The Same on Both Sides, Balancing Both Sides
• 1.OA.D.8
  Covered

  Find the unknown number in an addition or subtraction equation

  • Unit 7 · Fact Families: Missing Numbers in a Fact Family
  • Unit 8 · The Equal Sign: Missing Numbers in Add Facts, Missing Numbers in Take-Away Facts

Number and Operations in Base Ten NBT · 6 standards · 6 covered

• 1.NBT.A.1
  Covered

  Count, read and write numbers to 120

  • Unit 12 · Counting to 120 (whole unit, 8 lessons)
• 1.NBT.B.2
  Covered

  Understand the tens and ones in a two-digit number

  • Unit 13 · Tens and Ones (whole unit, 8 lessons)
• 1.NBT.B.3
  Covered

  Compare two-digit numbers with >, = and <

  • Unit 14 · Comparing Numbers (whole unit, 6 lessons)
• 1.NBT.C.4
  Covered

  Add within 100 using place value, models and strategies

  • Unit 16 · Adding and Subtracting Tens: Adding Tens to Any Number
  • Unit 17 · Adding Within 100 (whole unit, 7 lessons)
• 1.NBT.C.5
  Covered

  Find 10 more or 10 less in your head

  • Unit 15 · 10 More and 10 Less (whole unit, 6 lessons)
• 1.NBT.C.6
  Covered

  Subtract multiples of 10

  • Unit 16 · Adding and Subtracting Tens: Subtracting Tens, Using Facts to Add and Subtract Tens, Missing Tens

Measurement and Data MD · 4 standards · 4 covered

• 1.MD.A.1
  Covered

  Order three objects by length; compare two using a third

  • Unit 18 · Measuring Length: Longer and Shorter, Taller and Shorter, Comparing with a Third Thing, Putting Three Things in Order
• 1.MD.A.2
  Covered

  Measure length with same-size units laid end to end

  • Unit 18 · Measuring Length: Measuring with Units, Measuring the Right Way, How Much Longer?
• 1.MD.B.3
  Covered

  Tell and write time to the hour and half hour

  • Unit 19 · Telling Time (whole unit, 7 lessons)
• 1.MD.C.4
  Covered

  Organize and read data with up to three categories

  • Unit 20 · Tally Charts and Picture Graphs (whole unit, 7 lessons)

Geometry G · 3 standards · 3 covered

• 1.G.A.1
  Covered

  Tell defining attributes of shapes from non-defining ones

  • Unit 21 · Flat Shapes: Sides and Corners, What Makes a Shape a Shape?, Sorting Shapes
• 1.G.A.2
  Covered

  Put flat or solid shapes together to make new shapes

  • Unit 22 · Solid Shapes and Putting Shapes Together: Putting Flat Shapes Together, Putting Solid Shapes Together, Taking Shapes Apart
• 1.G.A.3
  Covered

  Split circles and rectangles into halves and fourths

  • Unit 23 · Halves and Fourths (whole unit, 6 lessons)

Every Grade 1 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.