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Grade 2 Module 1 Lessons

Learning Objective  Sums and Differences to 20

Math Terminology for Module 1

Familiar Terms and Symbols

  • Make ten and subtract from ten (e.g., 8 + 3 = 8+ 2 + 1 and 15 – 7 = 10 – 7 + 5 = 3 + 5)
  • Ten plus (e.g., 10 + 3 = 13, 30 + 5 = 35, 70 + 8 = 78)
  • Number bond (e.g., 5 + 1 = 6, 1 + 5 = 6, 6 – 1 = 5, 6 – 5 = 1)
  • Say Ten counting (e.g., 11 is “1 ten 1,” 12 is “1 ten 2,” twenty is “2 tens,” 27 is “2 tens 7,” 35 is “3 tens 5,” 100 is “1 hundred,” 146 is “1 hundred 4 tens 6”)

Select the lesson:

A.  Foundations for Addition and Subtraction Within 20


     Lesson 1
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     Lesson 2
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B.  Mental Strategies for Addition and Subtraction Within 20


     Lesson 3
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     Lesson 4
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     Lesson 5
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C.  Strategies for Addition and Subtraction Within 100 


     ♦ Lesson 6
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     Lesson 7
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     Lesson 8
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Math Newsletter - Topic A Math Newsletter - Topic B Math Newsletter - Topic C

Spanish (Sp) translations of ENY Math homework lessons by Salem-Keizer Public Schools, Curriculum, Instruction, & Assessment, Salem, OR

ENY Math Newsletters created by teachers at Vermilion Parish Schools, Abbeville, LA, Lafayette Parish School System