Estimate Length in Standard Units 2-117
Build number sense with U.S. standard units – inches and feet. What has a length of about 1 inch? The width of a quarter. What has a length of 1 foot? A standard ruler. Is the length of a toothbrush 8 inches or 8 feet? Is the length of a bed 6 feet or 60 feet? Use the known lengths of common objects as benchmarks.
