Please enable JavaScript.
Coggle requires JavaScript to display documents.
Addition & Subtraction within 20 - Coggle Diagram
Addition & Subtraction within 20
Learning Objectives
Solve basic addition and subtraction problems within 20
Use hands-on objects and digital tools for visualization
Collaborate with peers to complete math activities
Materials Needed
Number charts
Counting blocks
Worksheets (Addition & Subtraction)
Interactive whiteboard
Tablets or computers
Online math games (ABCmouse, Cool Math Games, Starfall)
Lesson Activities
Introduction (15 min)
Explain addition & subtraction with real-life examples
Demonstrate simple problems on an interactive whiteboard
Use counting blocks for hands-on learning
Guided Practice (15 min)
Split students into small groups
Use counting blocks to solve worksheet problems
Rotate between groups to provide feedback
Technology Integration (10 min)
Students play digital math games reinforcing addition & subtraction
Group collaboration to solve problems and discuss strategies
Assessment & Reflection (10 min)
Groups present a problem on the whiteboard
Interactive quiz (Kahoot) for practice
Class discussion on problem-solving strategies