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.
Math Slice
Math Slice: Draw Hands: Math Worksheets
Select a time interval, from one minute to one hour, and this tool creates a worksheet for you. Students must draw clock hands to match the times given. You can then click on the 'New Worksheet' button at the top to create a fresh...
Math Slice
Basic Math: Telling Time
This resource covers telling time where students can choose time intervals to practice. After selecting parameters students complete ten problems with instant feedback and an opportunity to practice again.
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]
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...
Math Slice
Math Slice: Tell Time: Math Worksheets
Practice telling time with analog clocks using these worksheets. Worksheets can be created for one minute to one hour intervals and are printable. Answers are provided and can be used as an assessment tool.
University of Cambridge
University of Cambridge: Nrich: How Many Times?
Sharpen your logic and digital clock-reading skills while working on this challenge. Solution available.
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...
University of Cambridge
University of Cambridge: Nrich: Wonky Watches
Sharpen your logic and time skills while working on this challenge. Solution available.
University of Cambridge
University of Cambridge: Nrich: Take the Right Angle
Sharpen your logic, time, and angle recognition skills while working on this challenge. The solution is available to double check your results. (Hint: Use the "90 degree" right angle button on the clock to check if something is a right...
University of Cambridge
University of Cambridge: Nrich: 5 on the Clock
Use your math skills to solve this problem involving a digital clock face. Solution included.
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...
Other
Wpi: Exponential Decay and Effective Medicine Dosage
This site is an example of the use of exponential decay. The example involves the effectiveness of a medical dosage over time.
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.
University of Cambridge
University of Cambridge: Nrich: A Rod and a Pole
At this one page website work on this challenge using your very best problem solving skills to find a reasonable answer. Actually, there are a number of solutions. When you find yours check the website to see the solutions already listed.