How this resource helps
A 35-slide Grade 2 lesson for accurate, efficient and flexible mental addition and subtraction within 20. Students connect ten, doubles and related facts to original practice problems. Includes editable models, teacher notes, five independent checks and an exit ticket. Standard NC.2.OA.2: Demonstrate fluency with addition and subtraction, within 20, using mental strategies.
What’s Included
- Editable 16:9 PowerPoint with 35 slides and teacher speaker notes on every slide.
- Original illustrated cover, partner-work and small-group scenes.
- Editable mathematical models, five worked models, guided practice, five independent items, differentiation, note-catcher review and a three-item exit ticket.
- A 35-page SAMPLE-watermarked PDF preview without speaker notes.
Resource details
- Grade / course
- Grade 2
- Subject and resource type
- Mathematics · PowerPoint Lesson
- Files
- 0 main PDF pages · 35 editable slides · PPTX
- Estimated completion time
- 45–60 minute lesson
- Answer key
- Teacher answer guidance is included in the speaker notes on every slide.
Standard or objective
NC.2.OA.2 — Demonstrate fluency with addition and subtraction, within 20, using mental strategies.
Demonstrate fluency with addition and subtraction, within 20, using mental strategies.
Original Saint Pierre Learning Resources lesson aligned to the North Carolina Standard Course of Study for Grade 2 Mathematics.
Learner directions
Students work through each slide as the teacher directs, completing practice and exit-ticket items.
Teaching suggestions
Project each slide in order. Follow the teacher models, then guide practice as labeled on each slide.