3.MATH.7.C
Determine the solutions to problems involving addition and subtraction of time intervals in minutes using pictorial models or tools such as a 15-minute event plus a 30-minute event equals 45 minutes.
Grade 3 · Texas Essential Knowledge and Skills (TEKS) · TEKS 2012
Standard Unwrapping
AI-generated as a starting point — sign in to edit.Vocabulary
solutionsproblemsadditionsubtractiontime intervalsminutespictorial modelstools15-minute event30-minute event
Skills
- determine solutions (problems involving addition and subtraction of time intervals in minutes) #dok2
- use (pictorial models or tools to solve time interval problems) #dok2
- add (time intervals in minutes) #dok1
- subtract (time intervals in minutes) #dok1
- interpret (word problems involving time intervals in minutes) #dok2
Learning Targets
- I can add time intervals measured in minutes. #dok1
- I can subtract time intervals measured in minutes. #dok1
- I can use pictorial models or tools to represent and solve problems involving time intervals in minutes. #dok2
- I can determine solutions to problems involving addition and subtraction of time intervals in minutes. #dok2
- I can interpret word problems about time intervals and model them with drawings or tools. #dok2
- I can analyze and solve multi-step problems involving the addition and subtraction of time intervals. #dok3
Big Ideas
- Time intervals can be added or subtracted to solve real-world problems involving durations of events.
- Using pictorial models or tools helps to visualize and accurately solve time problems measured in minutes.
Essential Questions
- How can you use a diagram or tool to solve problems involving time intervals in minutes?
- What strategies help you add or subtract time intervals when solving problems?
- Why is it important to accurately solve problems involving time intervals?
- How might you check if your solution to a time problem is reasonable?
- In what real-life situations would you need to add or subtract time intervals?