1.1 choose appropriate units (metric and U.S. customary) and tools, and estimate and measure length, liquid volume and weight/mass 1.2 estimate or determine the area and volume of solid figures by covering them with squares or by counting the number of cubes that would fill them 1.3 find the perimeter of a polygon with integer sides 1.4 carry out simple unit conversions within a system of measurement (e.g., centimeters and meters, hours and minutes) 2.
(1.1; choose; appropriate units (metric and U.S. customary) and tools) (the number of cubes; would fill; them)
1.1 the number of cubes
choose would fill
appropriate units (metric and U.S. customary) and tools
them