Math Lessons | Word Problems Sums and Differences within 20 for Ages 8-9

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Common Core State Standards
- English Language Arts
  - Kindergarten
    - Reading: Literature
    - Reading: Informational Text
    - Reading: Foundational Skills
      - Print Concepts
        
        RF.K.1
        
        RF.K.1.A
        
        RF.K.1.B
        
        RF.K.1.C
        
        RF.K.1.D
      - Phonological Awareness
        
        RF.K.2
        
        RF.K.2.A
        
        RF.K.2.C
        
        RF.K.2.D
      - Phonics and Word Recognition
        
        RF.K.3
        
        RF.K.3.A
        
        RF.K.3.B
        
        RF.K.3.C
        
        RF.K.3.D
      - Fluency
        
        RF.K.4
    - Writing
      - Text Types and Purposes
        
        W.K.3
    - Language
      - Conventions of Standard English
        
        L.K.1
        
        L.K.1.B
        
        L.K.1.C
        
        L.K.1.D
        
        L.K.1.E
        
        L.K.1.F
        
        L.K.2
        
        L.K.2.A
        
        L.K.2.B
        
        L.K.2.C
        
        L.K.2.D
      - Vocabulary Acquisition and Use
        
        L.K.4
        
        L.K.4.A
        
        L.K.4.B
        
        L.K.5
        
        L.K.5.A
        
        L.K.5.B
        
        L.K.5.C
        
        L.K.5.D
    - Speaking & Listening
      - SL.K.2
      - SL.K.4
  - Grade 1
    - Reading: Literature
    - Reading: Informational Text
    - Reading: Foundational Skills
      - Print Concepts
        
        RF.1.1
        
        RF.1.1.A
      - Phonological Awareness
        
        RF.1.2
        
        RF.1.2.A
        
        RF.1.2.B
        
        RF.1.2.C
        
        RF.1.2.D
      - Phonics and Word Recognition
        
        RF.1.3
        
        RF.1.3.A
        
        RF.1.3.B
        
        RF.1.3.C
        
        RF.1.3.D
        
        RF.1.3.E
        
        RF.1.3.F
        
        RF.1.3.G
      - Fluency
        
        RF.1.4
        
        RF.1.4.A
        
        RF.1.4.C
    - Language
      - Conventions of Standard English
        
        L.1.1
        
        L.1.1.B
        
        L.1.1.C
        
        L.1.1.D
        
        L.1.1.E
        
        L.1.1.F
        
        L.1.1.G
        
        L.1.1.H
        
        L.1.1.I
        
        L.1.1.J
        
        L.1.2
        
        L.1.2.A
        
        L.1.2.B
        
        L.1.2.C
      - Vocabulary Acquisition and Use
        
        L.1.4
        
        L.1.4.A
        
        L.1.4.B
        
        L.1.4.C
        
        L.1.5
        
        L.1.5.A
        
        L.1.5.B
        
        L.1.5.C
        
        L.1.5.D
    - Speaking & Listening
      - SL.1.1
        
        SL.1.1.B
        
        SL.1.1.C
      - SL.1.4
  - Grade 2
  - Grade 3
    - Reading: Literature
    - Reading: Informational Text
    - Reading: Foundational Skills
      - Phonics and Word Recognition
        
        RF.3.3
        
        RF.3.3.A
        
        RF.3.3.B
        
        RF.3.3.C
        
        RF.3.3.D
      - Fluency
        
        RF.3.4
        
        RF.3.4.A
        
        RF.3.4.B
    - Writing
      - Text Types and Purposes
        
        W.3.2
        
        W.3.2.A
        
        W.3.2.C
        
        W.3.3
        
        W.3.3.C
    - Language
      - Conventions of Standard English
        
        L.3.1
        
        L.3.1.A
        
        L.3.1.B
        
        L.3.1.C
        
        L.3.1.D
        
        L.3.1.E
        
        L.3.1.F
        
        L.3.1.G
        
        L.3.1.H
        
        L.3.1.I
        
        L.3.2
        
        L.3.2.A
        
        L.3.2.B
        
        L.3.2.C
        
        L.3.2.D
        
        L.3.2.E
        
        L.3.2.F
      - Vocabulary Acquisition and Use
        
        L.3.4
        
        L.3.4.A
        
        L.3.4.B
        
        L.3.4.C
        
        L.3.5
        
        L.3.5.A
        
        L.3.5.B
    - Speaking & Listening
      - SL.3.1
        
        SL.3.1.A
        
        SL.3.1.B
        
        SL.3.1.C
      - SL.3.4
- Math
  - Kindergarten
    - Counting and Cardinality
      - K.CC.A
        
        K.CC.A.1
        
        K.CC.A.2
      - K.CC.B
        
        K.CC.B.4
        
        K.CC.B.5
      - K.CC.C
        
        K.CC.C.6
        
        K.CC.C.7
    - Operations and Algebraic Thinking
      - K.OA.A
        
        K.OA.A.1
        
        K.OA.A.2
        
        K.OA.A.4
        
        K.OA.A.5
    - Number and Operations in Base Ten
      - K.NBT.A
        
        K.NBT.A.1
    - Measurement and Data
      - K.MD.A
        
        K.MD.A.1
        
        K.MD.A.2
      - K.MD.B
        
        K.MD.B.3
    - Geometry
      - K.G.A
        
        K.G.A.1
        
        K.G.A.2
        
        K.G.A.3
      - K.G.B
        
        K.G.B.4
        
        K.G.B.5
        
        K.G.B.6
  - Grade 1
    - Operations and Algebraic Thinking
      - 1.OA.A
        
        1.OA.A.1
        
        1.OA.A.2
      - 1.OA.B
        
        1.OA.B.3
        
        1.OA.B.4
      - 1.OA.C
        
        1.OA.C.5
        
        1.OA.C.6
      - 1.OA.D
        
        1.OA.D.8
    - Number and Operations in Base Ten
      - 1.NBT.A
        
        1.NBT.A.1
      - 1.NBT.B
        
        1.NBT.B.2
        
        1.NBT.B.3
      - 1.NBT.C
        
        1.NBT.C.4
        
        1.NBT.C.5
        
        1.NBT.C.6
    - Measurement and Data
      - 1.MD.A
        
        1.MD.A.1
        
        1.MD.A.2
      - 1.MD.B
        
        1.MD.B.3
      - 1.MD.C
        
        1.MD.C.4
    - Geometry
      - 1.G.A
        
        1.G.A.1
        
        1.G.A.2
        
        1.G.A.3
  - Grade 2
    - Operations and Algebraic Thinking
      - 2.OA.A
        
        2.OA.A.1
      - 2.OA.B
        
        2.OA.B.2
      - 2.OA.C
        
        2.OA.C.3
        
        2.OA.C.4
    - Number and Operations in Base Ten
      - 2.NBT.A
        
        2.NBT.A.1
        
        2.NBT.A.2
        
        2.NBT.A.3
        
        2.NBT.A.4
      - 2.NBT.B
        
        2.NBT.B.5
        
        2.NBT.B.6
        
        2.NBT.B.7
    - Measurement and Data
      - 2.MD.A
        
        2.MD.A.1
        
        2.MD.A.2
        
        2.MD.A.3
        
        2.MD.A.4
      - 2.MD.B
        
        2.MD.B.5
      - 2.MD.C
        
        2.MD.C.7
        
        2.MD.C.8
      - 2.MD.D
        
        2.MD.D.9
        
        2.MD.D.10
    - Geometry
      - 2.G.A
        
        2.G.A.1
        
        2.G.A.2
        
        2.G.A.3
  - Grade 3
    - Operations and Algebraic Thinking
      - 3.OA.A
        
        3.OA.A.3
        
        3.OA.A.4
      - 3.OA.B
        
        3.OA.B.5
        
        3.OA.B.6
      - 3.OA.C
        
        3.OA.C.7
      - 3.OA.D
        
        3.OA.D.8
        
        3.OA.D.9
    - Number and Operations in Base Ten
      - 3.NBT.A
        
        3.NBT.A.1
        
        3.NBT.A.2
    - Measurement and Data
      - 3.MD.A
        
        3.MD.A.1
        
        3.MD.A.2
      - 3.MD.B
        
        3.MD.B.3
        
        3.MD.B.4
      - 3.MD.C
        
        3.MD.C.5
        
        3.MD.C.6
      - 3.MD.D
        
        3.MD.D.8
    - Geometry
      - 3.G.A
        
        3.G.A.1
        
        3.G.A.2
    - Number and Operations-Fractions
      - 3.NF.A
        
        3.NF.A.1
        
        3.NF.A.2
        
        3.NF.A.3
New York State Standards
- Math
  - Preschool
- English Language Arts
  - Preschool
- Social Studies
  - Kindergarten
    - Individual Development and Cultural Identity
      - K.1
        
        K.1a
        
        K.1b
      - K.2
        
        K.2a
        
        K.2b
        
        K.2c
      - K.3
        
        K.3b
    - Civics
      - K.4
        
        K.4a
        
        K.4b
      - K.5
        
        K.5a
        
        K.5b
    - Geography and Environment
      - K.6
        
        K.6a
        
        K.6b
        
        K.6c
    - Time, Continuity, and Change
      - K.8
        
        K.8a
  - Grade 1
    - Individual Development and Cultural Identity
      - 1.3
        
        1.3a
        
        1.3b
        
        1.3c
      - 1.4
        
        1.4a
        
        1.4b
        
        1.4c
      - 1.1
      - 1.2
    - Geography and Environment
      - 1.5
        
        1.5a
        
        1.5b
        
        1.5c
      - 1.6
        
        1.6a
    - Time, Continuity, and Change
      - 1.7
        
        1.7d
      - 1.8
        
        1.8a
    - Economic Systems
      - 1.9
        
        1.9a
        
        1.9b
        
        1.9c
      - 1.10
        
        1.10a
        
        1.10b
  - Grade 2
    - Individual Development and Cultural Identity
      - 2.2
        
        2.2b
      - 2.1
    - Civics
      - 2.4
        
        2.4a
        
        2.4b
        
        2.4c
      - 2.3
    - Geography and Environment
      - 2.5
        
        2.5b
        
        2.5d
    - Time, Continuity, and Change
      - 2.6
      - 2.7
    - Economic Systems
      - 2.8
        
        2.8a
        
        2.8b
        
        2.8c
      - 2.9
        
        2.9a
        
        2.9b
        
        2.9c
  - Grade 3
    - Civics
      - 3.7
      - 3.8
    - Geography and Environment
      - 3.1
        
        3.1a
        
        3.1b
      - 3.2
        
        3.2a
        
        3.2b
      - 3.3
        
        3.3a
        
        3.3b
    - Time, Continuity, and Change
      - 3.4
        
        3.4a
        
        3.4b
    - Economic Systems
      - 3.9
        
        3.9a
      - 3.10
        
        3.10a
    - Cultures
      - 3.5
        
        3.5b
Next Generation Science Standards
- Science

8-9
Word Problems Sums and Differences within 20

Drawing it Out Addition

Drawing it Out Addition

Drawing it Out Subtraction

Drawing it Out Subtraction

Writing Equations Addition

Writing Equations Addition

Writing Equations Subtraction

Writing Equations Subtraction

Draw it Out and Write an Equation

Draw it Out and Write an Equation

Solve Tricky Number Situations by Drawing (3 numbers) - Part 1

Solve Tricky Number Situations by Drawing (3 numbers) - Part 1

Solve Tricky Number Situations by Drawing (3 numbers) - Part 2

Solve Tricky Number Situations by Drawing (3 numbers) - Part 2

Draw and Write an Equation to Match (3 numbers)

Draw and Write an Equation to Match (3 numbers)