Standards for Mathematical Practice that we work on continuously throughout the year are as follows:

1. Make sense of problems and persevere in solving them.
2. Reason abstractly and quantitatively
3. Construct viable arguments and critique the reasoning of others.
4. Model with mathematics.
5. Use appropraite tools strategically.
6. Attend to precision.
7. Look for and make use of structure.
8. Look for and express regularity in repeated reasoning.

Vocabulary

• Chapter 1 Vocabulary
  add
  plus (+)
  equals (=)
  addend
  sum
  addition sentence
  make 10
  doubles +1
  doubles -1
  subtract
  minus (-)
  difference
  subtraction sentence
  count up
  fact family
  missing addend
  part + part = whole
  whole - part = part
  addend + addend = sum
  doubles fact
  related addition facts
  related subtraction facts
  fact family
•  
• Chapter 1 Concepts
  
  Addition Concepts
  Related Addition Facts
  Count On to Add
  Extend Facts to 20
  Make 10 to Add
  Doubles Facts
  Doubles +1; Doubles -1
  Three Addends
  Four Addends
  Subtraction Concepts
  Add or Subtract to Compare
  Count Back to Subtract
  Related Subtraction Facts
  Relate Addition and Subtraction
  Think Addition to Subtract
  Use Addition to Check
  Count Up to Subtract
  Make 10 to Subtract
  Writing a Number Sentence
  Fact Families
  Missing Addends
  Use a Bar Model
  Fact Patterns
  Problem Solving Strategy: Choose the Operation
  Problem Solving Strategy: Two-Step Problems
  Problem-Solving Applications: Mixed Strategies