4.MGSR.2: Estimate and measure using units of length, liquid volume, weight, currency, and intervals of time.

Estimate and measure using units of length, liquid volume, weight, currency, and intervals of time.

4.MGSR.2.1Calculate the value of a collection of coins and bills in real-world situations to determine whether there is enough money to make a purchase. Justify based on comparison of money amounts.4.MGSR.2.2Solve real-world situations involving addition and subtraction of time intervals within 60 minutes to find elapsed time, start time, or end time.4.MGSR.2.3Measure length to the nearest quarter inch.4.MGSR.2.4Measure weight in customary units and metric units to the nearest whole unit. Limit to ounces, pounds, grams, and kilograms.4.MGSR.2.5Convert customary units of length, weight, and liquid volume from a larger unit to a smaller unit, given direct comparisons of the two measurements and/or the unit equivalencies within a single system of measurement. Limit to inches, feet, yards, ounces, pounds, fluid ounces, cups, pints, quarts, and gallons when given unit equivalences.

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