D1
Single Day
18.2k uses
First Exposure Lesson
For day one of any new concept where students have never seen the material before.
Introducing abstract conceptsDay one of a new unit
K–12
All Subjects
Built for real classrooms
Teaching plans,
not just lesson ideas.
Chalkie gives you a lesson. Sandbox gives you the full arc — what to do each day, in what order, and why. Every template is mapped to how learning actually builds.
12
Core templates
1–15
Days planned per template
K–12
All grade levels
100%
Standards-mappable
Single Day
3 templatesOne solid, structured lesson
View plan
D1
Single Day
24.7k uses
Practice and Reinforce Lesson
For days two or three of a concept, once the introduction is done and students need to consolidate.
Day 2 or 3 of a conceptAfter a formative check shows gaps
3–12
All Subjects
D1
Single Day
11.4k uses
Assessment Day
For any test or quiz day — turns an evaluation into a learning experience that students actually benefit from.
Unit tests and quizzesMid-term checkpoints
K–12
All Subjects
One Week
4 templatesComplete week-long unit arcs
Mon
Tue
Wed
Thu
Fri
One Week
31.2k uses
Complex Topic Week
For the topics that students historically don't get — the ones you dread teaching every year.
Abstract conceptsTopics with frequent misconceptions
K–12
All Subjects
Mon
Tue
Wed
Thu
Fri
One Week
17.8k uses
New Skill Week
For any procedural skill — writing techniques, math methods, lab procedures, or coding patterns.
Writing skills and techniquesMath procedures
K–12
All Subjects
Mon
Tue
Wed
Thu
Fri
One Week
8.9k uses
Flip and Engage Week
For teachers who want to use class time for application — not delivery — and send the content home.
Teachers with limited class timeTopics where application is harder than understanding
5–12
All Subjects
Mon
Tue
Wed
Thu
Fri
One Week
14.3k uses
Exam Prep Week
For the week before any major exam — covers the right content in the right order, with a practice test built in.
End-of-unit testsMid-terms and final exams
5–12
All Subjects
Two Weeks
3 templatesFrom first contact to assessment
W1·M
W1·T
W1·W
W1·Th
W1·F
+5
Two Weeks
9.2k uses
New Unit to Assessment
For any unit that starts from scratch and ends with a summative test — the complete arc in one template.
Starting a new curriculum unitAny topic that ends with a graded assessment
K–12
All Subjects
W1·M
W1·T
W1·W
W1·Th
W1·F
+5
Two Weeks
7.1k uses
Research and Present
For any unit where students go from receiving a topic to presenting their own findings.
Research projectsSocial studies and science investigations
4–12
ELA / Social Studies / Science
W1·M
W1·T
W1·W
W1·Th
W1·F
+5
Two Weeks
4.8k uses
Post-Assessment Recovery
For after a test where the results were not what you or your students hoped for.
After a class-wide poor test resultWhen re-teaching is needed before moving on
3–12
All Subjects
Three Weeks
2 templatesDeep, layered mastery units
W1·M
W1·T
W1·W
W1·Th
W1·F
+10
Three Weeks
6.3k uses
Project-Based Learning Unit
For any three-week unit where students build something real — from inquiry question to public presentation.
Interdisciplinary projectsMaker and design units
4–12
All Subjects
W1·M
W1·T
W1·W
W1·Th
W1·F
+10
Three Weeks
5.4k uses
Concept to Mastery
For the most difficult concepts in your curriculum — the ones that need multiple passes from multiple angles before they stick.
The most abstract concepts in your curriculumTopics that students consistently misunderstand
4–12
All Subjects
Every template. Instantly in your calendar.
Open a template, set a start date, and Sandbox maps every day into your planning calendar — with each activity block, resource type, and checkpoint already placed.
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