CK-12 Foundation
Ck 12: Elem Math: Ending Time in 5 Minute Intervals Word Problems
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must solve multi-step word problems involving elapsed time, and starting and ending times. Includes video demonstrating a sample...
CK-12 Foundation
Ck 12: Elem Math: Determining Time Changes Answering in Numerals
[Free Registration/Login may be required to access all resource tools.] The video describes how to determine elapsed time. The video is followed by practice problems to assess student understanding of the concept.
Khan Academy
Khan Academy: Interpret Time in Exponential Models
Given a function that models an exponential situation, find the time interval over which the quantity changes by a given factor. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Khan Academy
Khan Academy: Interpret Change in Exponential Models
Given a function that models an exponential situation, find the factor by which the quantity changes per unit time interval. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
CK-12 Foundation
Ck 12: Elem Math: Determining the Missing Minute Hand
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are told what the time is and are asked to pick the analog clock that shows the position of the minute hand. Includes video...
CK-12 Foundation
Ck 12: Elem Math: Compare Two Clocks to Determine Which One Is Earlier or Later
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are presented with two clocks matched to two events and are asked to state which event was earlier or later. Includes video...
CK-12 Foundation
Ck 12: Elem Math: Solving Time Problems With Lcm
[Free Registration/Login may be required to access all resource tools.] In this learning module, students solve word problems involving time and a least common multiple (LCM). A video shows how to solve a sample problem where a clock...
Better Lesson
Better Lesson: It Is About Time
Second graders worked on telling time to the hour and half hour earlier in the year. Now they will apply their understanding of counting by 5s to telling time to the five minute interval.
CK-12 Foundation
Ck 12: Elem Math: Writing the Current Time
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to write the digital time for an analog clock. [0:54]
Khan Academy
Khan Academy: Algebra I: Linear vs. Exponential Growth: From Data
Given a table with values of two quantities over time, determine whether the quantities grow linearly or exponentially. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...
Illustrative Mathematics
Illustrative Mathematics: F Le Carbon 14 Dating, Variation 2
In this task on exponential decay, students calculate what the amount of Carbon 14 left in a preserved plant will be as time passes and when one microgram will be all that is left. Aligns with F-LE.A.1.c.