How this resource helps
A 35-slide Grade 2 lesson on proving odd and even quantities within 20 by pairing, counting by twos, making two equal groups and writing a sum of two equal addends. Includes editable counter diagrams and complete teacher keys. Standard NC.2.OA.3: Determine whether a group of objects, within 20, has an odd or even number of members by: • Pairing objects, then counting them by 2s. • Determining whether objects can be placed into two equal groups. • Writing an equation to express an even number as a sum of two equal addends.
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.3 — Determine whether a group of objects, within 20, has an odd or even number of members by: • Pairing objects, then counting them by 2s. • Determining whether objects can be placed into two equal groups. • Writing an equation to express an even number as a sum of two equal addends.
Determine whether a group of objects, within 20, has an odd or even number of members by: • Pairing objects, then counting them by 2s. • Determining whether objects can be placed into two equal groups
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.