Public learning track
Comparing, Estimating, and Measuring Mass
1st Grade · Math · Open Global Math
9 lessons
Goal
Learners will compare, estimate, and measure mass using direct hefting, pan balance scales, informal units, and standard metric units (grams and kilograms).
Featured Diagrams
Comparing Heaviness Directly by Hefting
9 lessons
0 of 9 done
- 1Comparing Heaviness Directly by HeftingUp nextStart
- 2Using a Balance to Compare MassPremiumNot started yet
- 3Ordering Three Objects by Weight Using a Balance ScaleNot started yet
- 4Measuring Weight Using Marbles as UnitsNot started yet
- 5Estimating Weight Before Weighing on the BalanceNot started yet
- 6Introducing the Gram as a Unit of MassNot started yet
- 7Introducing the Kilogram as a Unit of MassNot started yet
- 8Choosing Grams or Kilograms to Measure MassNot started yet
- 9Solving Mass Comparison and Word ProblemsNot started yet
Curriculum Framework
1st Grade · Math · Open Global Math
1
8 lessons
Comparing and Ordering Length, Height, and Distance
Learners will compare and order objects directly and indirectly by length, height, width, and distance using reference objects and precise comparative vocabulary.
2
8 lessons
Non-Standard Measurement and Unit Iteration
Learners will measure lengths by iterating non-standard units end-to-end and understand the inverse relationship between unit size and count.
3
9 lessons
Standard Measurement: Centimeters and Meters
Learners will measure, estimate, and compare linear lengths of objects and line segments using standard metric units (centimeters and meters).
4
9 lessons
Comparing, Estimating, and Measuring Mass
Learners will compare, estimate, and measure mass using direct hefting, pan balance scales, informal units, and standard metric units (grams and kilograms).
5
8 lessons
Comparing, Estimating, and Measuring Capacity and Volume
Learners will compare, estimate, and measure liquid capacity and volume using direct pouring, informal containers, and liters.
6
11 lessons
Telling Time: Clocks, Hours, Half-Hours, and Daily Routines
Learners will read, write, and represent time to the hour and half-hour on analog and digital clocks, and sequence daily schedule events.
7
9 lessons
Calendars, Cycles of Time, and Duration
Learners will read and locate dates on calendars, sequence days, months, and seasons, and compare event durations in standard units of time.