Unit 6, Lesson 11
¿Qué tan largos son nuestros zapatos?
Grado 1
Preparation
Lesson Narrative
In previous units, students solved Add To, Take From; Put Together, Take Apart; and Compare story problems with unknowns in different positions. They represented their thinking using drawings, numbers, words, and equations. In a previous section of this unit, students iterated length units to measure the length of objects.
In this lesson, students solve story problems about measurement. Students revisit familiar Put Together and Take Apart, Total Unknown and Compare, Difference Unknown story problems in measurement contexts. When they make sense of measurements to solve different kinds of problems, students reason abstractly and quantitatively (MP2).
- Representation
- MLR6
- Comprehend (in spoken and written language) the phrases “how much longer” and “how much shorter” refer to finding an unknown difference.
- Explain (orally) strategies for solving Add To and Compare problems involving measurement.
- Resolvamos problemas-historia de medidas.
Required Materials
Required Preparation
None
Suggested Centers
NoneTeacher Reflection Questions
Think about which students haven’t shared their methods in class lately. Were there missed opportunities to highlight their thinking during recent lessons? How can you take advantage of those opportunities when they arise?