Example: air traffic controller
Using a fraction wall
Found 2 free book(s)Grade 3 Fraction Unit of Instruction
www.fldoe.orgGrade 3 Fraction Unit of Instruction This is a progressive unit of instruction using the Concrete-Representational-Abstract (CRA) Instructional Model. CRA is a three-part instructional model that begins by using concrete materials, then progresses to representational pictures, and finally abstract notation.
Chapter 2 Reading Topographic Maps and Making Calculations
www.honolulu.hawaii.edumeasurements. It is usually written as a fraction or ratio. For example, the map in Figure 2-5 has a map scale of 1:24,000 which means one inch on the map is 24,000 inches on the ground. Typically, USGS produces maps using the 1:24,000 scale, but will also produce maps using 1:62,500 and 1:250,000 scale.