Unit 1: Number Concepts, Addition, Subtraction, and Graphing

• Chapter 1: Number Concepts Through 50
  • Lesson 1.1 Reading and Writing Numbers
  • Lesson 1.2 Ordering Numbers
  • Lesson 1.3 Comparing Numbers
  • Lesson 1.4 Estimating How Many
  • Lesson 1.5 Problem-Solving: Reasonable Answers
• Chapter 2: Addition Facts
  • Lesson 2.1 Addition Properties
  • Lesson 2.2 Count On to Add
  • Lesson 2.3 Use Doubles Facts
  • Lesson 2.4 Add 10
  • Lesson 2.5 Make 10 to Add
  • Lesson 2.6 Add Three Numbers
  • Lesson 2.7 Problem-Solving: Draw a Picture
• Chapter 3: Subtraction Facts
  • Lesson 3.1 Subtract All or None
  • Lesson 3.2 Count Back to Subtract
  • Lesson 3.3 Subtract to Compare
  • Lesson 3.4 Use Addition to Subtract
  • Lesson 3.5 Number Expressions
  • Lesson 3.6 Fact Families
  • Lesson 3.7 Variables
  • Lesson 3.8 Problem-Solving: Write a Number Sentence
• Chapter 4: Data, Graphing, and Probability
  • Lesson 4.1 Take a Survey
  • Lesson 4.2 Read a Pictograph
  • Lesson 4.3 Make and Read Bar Graphs
  • Lesson 4.4 Line Graphs
  • Lesson 4.5 Graphing on a Coordinate Grid
  • Lesson 4.6 Make and Read Venn Diagrams
  • Lesson 4.7 More, Less, and Equally Likely
  • Lesson 4.8 Predicting Outcomes
  • Lesson 4.9 Problem-Solving: Use a Graph