Interactivate: Standard Expectation

4 items total

Organization: North Carolina Standard Course of Study
Grade Band: 3rd Grade
Standard Goal: 2. The learner will recognize and use standard units of metric and customary measurement.

a. Elapsed time.

Clock Arithmetic and Cryptography	Lesson: Introduces students to modular (clock) arithmetic and how modular arithmetic can be used to encode messages using simple shift, multiple and affine ciphers.
Clock Arithmetic	Activity: Work with various types of clocks in order to learn about modular arithmetic operations. Parameters: Number of hours on the clock.
Clock Wise	Activity: Practice reading a clock, input times for the clock to display, or let the clock generate random times for you to read. Choose from three difficulty levels.
Elapsed Time	Activity: Practice finding elapsed time given a starting time and an ending time. Elapsed Time is one of the Interactivate assessment explorers.