Help your Grade 4 students build confidence with addition and subtraction of whole numbers (up to 10 000) and decimals to tenths with this ready-to-use, engaging slideshow!

This resource is designed to meet Ontario Math Curriculum Expectation B2.4:
“Represent and solve problems involving the addition and subtraction of whole numbers that add up to no more than 10 000 and of decimal tenths, using appropriate tools and strategies, including algorithms.”

The slideshow includes:

• ✅ Step-by-step teaching examples for whole numbers and decimals
• ✅ Thought-provoking discussion questions to deepen understanding
• ✅ Student practice problems (whole class, small group, or independent)
• ✅ Real-world word problems with whole numbers and decimals
• ✅ Built-in reflection and exit ticket
  

This resource can be used for:

• Whole-class instruction
• Guided practice and math talks
• Independent reinforcement
• Review before assessments
  

What’s Included:

• 25-slide slideshow (PowerPoint format) covering:
  • Minds-on estimation warm-up
  • Whole number addition and subtraction up to 10 000
  • Decimals in tenths – introduction and operations
  • Problem-solving with multiple tools and strategies
  • Word problems and real-life connections
  • Student reflection and exit ticket
    

Curriculum Alignment:

• Grade 4 Ontario Math (2020 Curriculum Update)
  • B2.4: Represent and solve problems involving the addition and subtraction of whole numbers that add up to no more than 10 000 and of decimal tenths, using appropriate tools and strategies, including algorithms.
    

Teacher-Friendly Features:

• Easy-to-follow layout with exact wording provided on slides
• Interactive prompts and visuals keep students engaged
• No prep needed, just project and teach!
  

Suggested Use:

Perfect for whole-group lessons, small-group guided math, review, or even math centers.

Enjoy this resource? Check out my other math slideshows on Bright Path Teaching!