This is a three week unit to teach Second Grade Common Core Standard 2.NBT.5. This unit focuses on teaching several different subtraction strategies to solve subtraction problems. Students will use a 100's board to solve subtraction problems, the Break Apart or Decomposing Strategy, Using "Friendly Numbers", subtracting tens and ones without regrouping, Using a Number Line, and Using Addition to check Subtraction. This unit includes everything you need to teach this standard for subtraction, including:
3 weeks of lesson plans
Student book with 12 days of class work
Student Homework pages for 12 days
Journal Glue Ins
This unit only covers subtraction. There is a separate unit for Addition. Copy the student book and staple, put the lesson plans in your plan book and you are ready for 3 weeks of math!