Alabama Course of Study (adopted in 2019): Grade 1 Math Standards

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Operations and Algebraic Thinking

• Represent and solve problems involving addition and subtraction.
  • 1 Use addition and subtraction to solve word problems within 20 by using concrete objects, drawings, and equations with a symbol for the unknown number to represent the problem.
    • Add within 10
      1. Addition word problems with pictures – sums up to 10
      2. Addition word problems – sums up to 10
      3. Addition sentences for word problems – sums up to 10
         Add within 20
      4. Addition word problems – sums up to 20
      5. Addition sentences for word problems – sums up to 20
         Subtract within 10
      6. Subtraction word problems with pictures – up to 10
      7. Subtraction word problems – up to 10
      8. Subtraction sentences for word problems – up to 10
         Subtract within 20
      9. Subtraction word problems – up to 20
      10. Subtraction sentences for word problems – up to 20
          Mixed operations
      11. Word problems involving addition and subtraction – up to 20
  • 
    1.a: Add to with change unknown to solve word problems within 20.
    1.b: Take from with change unknown to solve word problems within 20.
    1.c: Put together/take apart with addend unknown to solve word problems within 20.
    1.d: Compare quantities, with difference unknown, bigger unknown, and smaller unknown while solving word problems within 20.
• 2 Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20 by using concrete objects, drawings, or equations with a symbol for the unknown number to represent the problem.
  • Add three numbers – word problems
• Understand and apply properties of operations and the relationship between addition and subtraction.
  3 Apply properties of operations as strategies to add and subtract.
  1. Add in any order
  2. Related addition facts
  3. Add three numbers – make ten
  4. Add three numbers
  5. Related subtraction facts
  6. Fact families
• 4 Explain subtraction as an unknown-addend problem.
  1. Complete the addition sentence – sums up to 10
  2. Complete the addition sentence – sums up to 20
  3. Complete the addition sentence – make ten
  4. Relate addition and subtraction sentences
• Add and subtract within 20.
  5 Relate counting to addition and subtraction.
  Addition
  1. Addition sentences using number lines – sums up to 10
  2. Addition sentences using number lines – sums up to 20
  3. Add by counting on – sums up to 10
• Subtraction
  1. Subtraction sentences using number lines – up to 10
  2. Subtraction sentences using number lines – up to 20
  3. Subtract by counting back – up to 10
  4. Subtract by counting back – up to 20
  5. Subtract by counting on – up to 10
  6. Subtract by counting on – up to 20
• 6 Add and subtract within 20.
  Addition skill builders
  1. Adding 1
  2. Adding 2
  3. Adding 3
  4. Adding 4
  5. Adding 5
  6. Adding 6
  7. Adding 7
  8. Adding 8
  9. Adding 9
  10. Adding 0
• Addition strategies
  1. Add doubles – with models
  2. Add doubles
  3. Add doubles – complete the sentence
  4. Add using doubles plus one
  5. Add using doubles minus one
• Add within 20
  1. Addition facts – sums up to 20
  2. Make a number using addition – sums up to 20
• Subtraction skill builders
  1. Subtracting 1
  2. Subtracting 2
  3. Subtracting 3
  4. Subtracting 4
  5. Subtracting 5
  6. Subtracting 6
  7. Subtracting 7
  8. Subtracting 8
  9. Subtracting 9
  10. Subtracting 0
• Subtraction strategies
  1. Subtract zero and all
  2. Subtract doubles
• Subtract within 20
  1. Subtraction facts – up to 20
  2. Make a number using subtraction – up to 20
• Relate addition and subtraction
  1. Complete the addition sentence – sums up to 20
  2. Complete the subtraction sentence – up to 20
  3. Relate addition and subtraction sentences
• Mixed operations
  1. Addition and subtraction – ways to make a number
  2. Addition and subtraction facts – up to 20
• 6.a: Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by counting on.
  1. Addition facts – sums up to 10
  2. Subtraction facts – up to 10
  3. Addition and subtraction facts – up to 10
• 6.b: Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by making ten.
  1. Complete the addition sentence – make ten
• 6.c: Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by decomposing a number leading to a ten.
  6.d: Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by using the relationship between addition and subtraction.
  1. Complete the addition sentence – sums up to 10
  2. Complete the subtraction sentence – up to 10
• 6.e: Demonstrate fluency with addition and subtraction facts with sums or differences to 10 by creating equivalent but easier or known sums.
  Addition
  1. Make a number using addition – sums up to 10
  2. Ways to make a number – addition sentences up to 10
• Subtraction
  1. Make a number using subtraction – up to 10
  2. Ways to make a number – subtraction sentences up to 10
  3. Ways to subtract from a number – subtraction sentences up to 10
• Work with addition and subtraction equations.
• 7 Explain that the equal sign means “the same as.” Determine whether equations involving addition and subtraction are true or false.
  Addition
  1. Addition sentences: true or false?
  2. Addition sentences: which is true?
• Subtraction
  1. Subtraction sentences: true or false?
  2. Subtraction sentences: which is true?
• Mixed operations
  1. Which sign makes the number sentence true?
  2. Addition and subtraction sentences: which is true?
• 8 Solve for the unknown whole number in various positions in an addition or subtraction equation, relating three whole numbers that would make it true.
  Addition equations
  1. Complete the addition sentence – sums up to 10
  2. Complete the addition sentence – sums up to 20
  3. Add doubles – complete the sentence
  4. Complete the addition sentence – make ten
• Subtraction equations
  1. Complete the subtraction sentence – up to 10
  2. Complete the subtraction sentence – up to 20
• Understand simple patterns.
  9 Reproduce, extend, and create patterns and sequences of numbers using a variety of materials.
  Repeating patterns
  1. Introduction to patterns
  2. Find the next shape in a pattern
  3. Complete a pattern
  4. Make a pattern
• Growing patterns
  1. Growing patterns
  2. Find the next shape in a growing pattern
  3. Find the next row in a growing pattern

Operations with Numbers: Base Ten