How this resource helps
Addition in Space is a complete Grade 1 mathematics lesson on the properties of operations, built for projection and direct instruction. The lesson opens with a math talk warm-up, moves through explicit I Do picture models showing that switching the order of addends keeps the same total, and builds to We Do guided practice where students choose which two numbers to add first. Students then work through partner tasks and independent practice with counters, finishing with an exit ticket and an early-finisher challenge. Every slide carries complete speaker-note guidance — the answer, the questioning moves, and what to listen for — so the lesson is ready to teach the first time. Aligned to North Carolina Grade 1 Mathematics Standard NC.1.OA.3. Suggested pacing: one 45–60 minute lesson, or split across two shorter sessions; local pacing varies.
What’s Included
- 30-slide editable PowerPoint (PPTX)
- Lesson goal, essential questions, and math talk warm-up
- I Do picture models: switching the order of addends
- We Do guided practice with counters in three colors
- Partner tasks and independent practice slides
- Exit ticket and early-finisher challenge
- Complete speaker-note teacher guidance on every slide
- Single-teacher classroom license
Resource details
- Grade / course
- Grade 1 • North Carolina
- Subject and resource type
- Mathematics · Editable PowerPoint lesson
- Files
- 0 main PDF pages · 30 editable slides · PPTX
- Estimated completion time
- One 45–60 minute lesson, or two shorter sessions
- Answer key
- Yes. Worked answers, sample student responses, and questioning guidance appear in the speaker notes of every slide, including the warm-up, guided practice, partner tasks, exit ticket, and challenge.
Standard or objective
NC.1.OA.3 — Understand and apply the properties of operations: switching the order of addends does not change the sum, and adding in any order or grouping does not change the total. North Carolina Grade 1 Mathematics.