Standard and Nonstandard Units

Measuring in Meters Inches and Centimeters Comparing Amount Comparing Size Measuring in Inches Measuring in Feet Weight Comparison Length and Metric Units Comparing Volume Measuring in Centimeters Measurement and Capacity Non-standard Units Using a Metric Ruler Converting Customary Units Estimating Length Measuring Distance Measuring to the Nearest Quarter Inch Using a Ruler Length Conversion Comparing and Ordering Length Comparing Weight Size Comparison Converting Units Reading a Ruler Measuring with Standard Tools Area Calculation Customary Conversions Measuring Mass Length Comparison Customary Capacity Customary Units of Capacity Measuring in Yards Mass Conversion Metric Conversion Comparing Length Tape Measure Reading Reading Scales Customary Units of Length Measuring Weight Measurement and Equivalence Metric System Conversion Capacity Conversion