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Math · Grade 2 Math · Unit 1

Unit 1: Adding, Subtracting, and Working with Data

Students represent and solve story problems within 20 through the context of picture graphs and bar graphs that represent categorical data. Students build toward fluency with addition and subtraction.

Worksheets

Every sheet has an answer key. Free to print, no login.

Unit
📝 Worksheet ✅ Answer guide
Concept
📝 Worksheet ✅ Answer key
Practice
Set 1
📝 Worksheet ✅ Answer key
Set 2
📝 Worksheet ✅ Answer key
Advanced
Set 1
📝 Worksheet ✅ Answer key
Set 2
📝 Worksheet ✅ Answer key

What this unit covers

A Add and Subtract within 20 · 6 lessons
Goals
  • Build toward fluency with adding within 100.
  • Build toward fluency with subtracting within 20.
Lessons
  1. Add and Subtract within 10
  2. Relate Addition and Subtraction within 10
  3. Relate Addition and Subtraction within 20
  4. Add and Subtract Your Way
  5. Add within 50
  6. Center Day 1 (Optional)
B Ways to Represent Data · 6 lessons
Goals
  • Interpret picture graphs and bar graphs.
  • Represent data using picture graphs and bar graphs.
  • Solve one-step problems using addition and subtraction within 20.
Lessons
  1. Collect and Represent Data
  2. Interpret Picture Graphs
  3. Interpret Bar Graphs
  4. Represent Data Using Picture Graphs and Bar Graphs
  5. Questions about Data
  6. Center Day 2 (Optional)
C Diagrams to Compare · 6 lessons
Goals
  • Make sense of and interpret tape diagrams.
  • Represent and solve Compare problems with unknowns in all positions within 100.
Lessons
  1. Use Bar Graphs to Compare
  2. Use Diagrams to Compare
  3. Diagrams with All Kinds of Compare Problems
  4. Solve All Kinds of Compare Problems
  5. Center Day 3 (Optional)
  6. Class Surveys (Optional)
See the whole map Unit 2 →

Adapted from the Illustrative Mathematics curriculum (v.360), licensed CC BY-NC 4.0. © Illustrative Mathematics.