
Public learning track
Time Measurement, Clocks, and Unit Conversions
3rd Grade · Math · Open Global Math
7 lessons
Goal
Read analogue and digital clocks across 12-hour, 24-hour, and Roman numeral formats, and convert fluently between units of time.
Featured Diagrams
Reading Clocks to the Nearest Minute in 12-Hour Time
7 lessons
0 of 7 done
- 1Reading Clocks to the Nearest Minute in 12-Hour TimeUp nextStart
- 2Reading Analog Clocks with Roman Numerals I to XIIPremiumNot started yet
- 3Converting Between 12-Hour and 24-Hour Time NotationNot started yet
- 4Converting Between Days and HoursNot started yet
- 5Converting Between Hours and MinutesNot started yet
- 6Converting Between Minutes and SecondsNot started yet
- 7Solving Multi-Step Word Problems Involving Time ConversionsNot started yet
Curriculum Framework
3rd Grade · Math · Open Global Math
1
7 lessons
Time Measurement, Clocks, and Unit Conversions
Read analogue and digital clocks across 12-hour, 24-hour, and Roman numeral formats, and convert fluently between units of time.
2
6 lessons
Elapsed Time Intervals and Duration Problems
Calculate elapsed time intervals and determine start and end times using open number lines and timeline models.
3
7 lessons
Metric Length Measurement and Conversions
Measure, compare, and convert metric units of length from millimeters to kilometers to solve multi-step distance problems.
4
5 lessons
Metric Mass, Weight, and Temperature
Measure, convert, and solve practical word problems involving grams, decagrams, kilograms, metric tonnes, and degrees Celsius.
5
5 lessons
Metric Capacity and Liquid Volume
Measure liquid volumes in liters and milliliters, convert between units, and solve practical capacity word problems involving fractions of liters.
6
5 lessons
Money Values, Making Change, and Multi-Step Transactions
Calculate money amounts in coins and bills, find equivalent combinations, make change, and solve multi-step purchase problems.
7
6 lessons
Perimeter of Polygons and Missing Side Problems
Calculate the perimeter of polygons, find unknown side lengths from given perimeters, and solve real-world boundary problems.
8
6 lessons
Area, Unit Squares, and Rectangular Arrays
Understand area as surface coverage using unit squares, relate rectangular area to multiplication, and apply the distributive property.
9
5 lessons
Composite Rectilinear Area and Perimeter Investigations
Decompose composite rectilinear figures to determine total area and investigate the relationships between perimeter and area.
10
6 lessons
Data Tables, Frequency Charts, and Bar Graphs
Collect, organize, and represent categorical and discrete data using frequency tables, spreadsheets, picture graphs, and scaled bar graphs.
11
5 lessons
Line Plots and Fractional Data Analysis
Construct and interpret line plots with scales marked in whole units, halves, and quarters to solve multi-step data problems.
12
5 lessons
Chance, Probability Language, and Experiments
Describe likelihood of everyday events using qualitative chance terms, conduct repeated probability experiments, and record outcomes.