Lesson 6

Elapsed Time

Est. Class Sessions: 2
X

Mathematical Standards

2.MD.C
Work with time and money. (2.MD.C.7)

Standards for Mathematical Practice

MP2.
Reason quantitatively.
MP4.
Model with mathematics.
MP6.
Attend to precision.
MP7.
Look for and make use of structure.

Students continue to practice telling time to the nearest five minutes. They also solve elapsed-time problems involving time measurements to the nearest five minutes. The book, A Second is a Hiccup by Hazel Hutchins, is read aloud to help students understand different lengths of time.

Content in this Lesson

  • Solving elapsed-time problems involving time measurements to the nearest five minutes [E7].
  • Reading and writing time to the nearest five minutes using analog and digital clocks [E8].
X

Materials for Students

Daily Practice and Problems Lesson Homework Assessment

Student Book

 Student Activity Book

Teacher Resources

 Teacher Guide - digital

Supplies for Students

individual clocks
desk number line (0–100)

Materials for the Teacher

Display of How Much Time Has Passed Master (Teacher Guide)
Unit 8 Assessment Record
Math Facts Class Record
Unit 8 Individual Assessment Record
A Second Is a Hiccup by Hazel Hutchins
demonstration clock
class number line (0–130)

Assessment in this Lesson

Assessment Expectation Assessed
How Long Does It Take
Student Activity Book
Page 433
E8.
Solve elapsed-time problems involving time measurements to the nearest
five minutes.
E9.
Read and write time to the nearest five minutes using analog and digital clocks.
DPP Item U
Triangle Flash Cards:
Group F
Teacher Guide - digital
E12.
Demonstrate fluency with the addition facts in Group F (8 + 6, 9 + 6, 9 + 7,
10 + 4, 10 + 5, 10 + 6, 10 + 7, 10 + 8, 9 + 8, 9 + 9).
DPP Item V
Fact Families Quiz:
Group F
Teacher Guide - digital
E13.
Determine the unknown number in an addition or subtraction sentence relating three whole numbers for the facts in Group F.