IL.7. Estimation and Measurement: Estimate, make and use measurements of objects, quantities and relationships and determine acceptable levels of accuracy.
7.A. Measure and compare quantities using appropriate units, instruments and methods.
7.A.3b. Apply the concepts and attributes of length, capacity, weight/mass, perimeter, area, volume, time, temperature and angle measures in practical situations.
7.B. Estimate measurements and determine acceptable levels of accuracy.
7.B.3. Select and apply instruments including rulers and protractors and units of measure to the degree of accuracy required.