Solve mixed problems in measurement and grouping contexts
3rd Grade Math practice: Each of 3 water coolers holds 8 liters. After a game, 9 liters are left in all. How many liters were used. Part of mixed operations (Mixed operations).
~11 min
Keep length, time, volume, or money units connected to each step.
Tracking Units
Tracking Units
- Always write down the unit of measurement, such as cans, minutes, or dollars, next to your numbers. Units tell you what the number is counting so you don't get confused.
Always write down the unit of measurement, such as cans, minutes, or dollars, next to your numbers. Units tell you what the number is counting so you don't get confused.
💡 If you don't know the unit, look at the question asking for the answer.

