Lesson 1

Just Passing Time

Est. Class Sessions: 1
X

Mathematical Standards

3.MD.A
Solve problems involving measurement and estimation. (3.MD.A.1)

Standards for Mathematical Practice

MP1.
Make sense of problems and persevere in solving them.
MP2.
Reason quantitatively.
MP4.
Model with mathematics.
MP5.
Use appropriate tools strategically.
MP6.
Attend to precision.

Students briefly review using clocks to understand elapsed time. Then they solve elapsed-time story problems involving time measurements to the nearest minute.

Content in this Lesson

  • Solving elapsed-time problems involving time measurements to the nearest minute [E9].
  • Choosing good tools and efficient strategies to solve a problem [MPE2].
  • Communicating solution strategies [MPE5].
  • Using labels to show what numbers mean [MPE6].

Daily Practice and Problems A–B

A. Triangle Flash Cards: 9s

B. Strategy for 9s

X

Materials for Students

Daily Practice and Problems Lesson Homework Assessment

Student Books

 Student Guide    

Teacher Resources

 Teacher Guide - digital  

Supplies for Students

individual clock

Materials for the Teacher

demonstration clock or display of the Teaching Clock page (Student Guide) Reference
Unit 11 Assessment Record
Math Facts Class Record

Assessment in this Lesson

Assessment Expectation Assessed Math Practices Expectation Assessed

Just Passing Time
Check-In: Questions 13–15
Student Guide
Page 302
and corresponding
Feedback Box
Teacher Guide - digital
E9.
Solve elapsed-time problems involving time measurements to the nearest minute.
MPE2.
Find a strategy. I choose good tools and an efficient strategy for solving the problem.
MPE5.
Show my work. I show or tell how I arrived at my answer so someone else can understand my thinking.
MPE6.
Use labels. I use labels to show what numbers mean.

DPP Item A
Triangle Flash Cards: 9s
Teacher Guide - digital
E11.
Demonstrate fluency with the multiplication facts for the nines.