Topic: Units of measurement |
Mathematics |
| Standard 4. Understands and applies basic and advanced properties of the concepts of measurement |
| | Level I (Grade K-2) |
| | | Benchmark 3. | Knows processes for telling time, counting money, and measuring length, weight, and temperature, using basic standard and non-standard units |
| | | | Knowledge/skill statements |
| | | | | 1. | Measures weight using standard units |
| | | | | 2. | Measures temperature using standard units |
| | | | | 3. | Measures time using standard units |
| | | | | 4. | Measures width using standard units |
| | | | | 5. | Measures height using standard units |
| | | | | 6. | Measures length using standard units |
| | | | | 7. | Understands the concept of elapsed time |
| | | | | 8. | Measures elapsed time |
| | | | | 9. | Measures weight using non-standard units |
| | | | | 10. | Measures temperature using non-standard units |
| | | | | 11. | Measures time using non-standard units |
| | | | | 12. | Measures width using non-standard units |
| | | | | 13. | Measures height using non-standard units |
| | | | | 14. | Measures length using non-standard units |
| | | | | 15. | Counts money |
| | Level II (Grade 3-5) |
| | | Benchmark 3. | Knows approximate size of basic standard units (e.g., centimeters, feet, grams) and relationships between them (e.g., between inches and feet) |
| | | | Knowledge/skill statements |
| | | | | 1. | Knows the approximate size of a centimeter |
| | | | | 2. | Knows the approximate size of a meter |
| | | | | 3. | Knows the approximate size of an inch |
| | | | | 4. | Knows the approximate size of a foot |
| | | | | 5. | Knows the approximate weight of an ounce |
| | | | | 6. | Knows the approximate weight of a pound |
| | | | | 7. | Knows the approximate weight of a gram |
| | | | | 8. | Knows the approximate weight of a kilogram |
| | | | | 9. | Knows the relationship between an inch and a foot |
| | | | | 10. | Knows the relationship between a centimeter and a meter |
| | | | | 11. | Knows the relationship between an ounce and a pound |
| | | | | 12. | Knows the relationship between a gram and a kilogram |
| | | Benchmark 7. | Selects and uses appropriate units of measurement, according to type and size of unit |
| | | | Knowledge/skill statements |
| | | | | 1. | Selects measurement units based on the size of measure needed |
| | | | | 2. | Knows that certain measurement tools are used for certain sizes of measurement |
| | | | | 3. | Selects measurement units based on the type of measure needed |
| | Level III (Grade 6-8) |
| | | Benchmark 3. | Understands the relationships among linear dimensions, area, and volume and the corresponding uses of units, square units, and cubic units of measure |
| | | | Knowledge/skill statements |
| | | | | 1. | Understands the concept of a square unit |
| | | | | 2. | Understands the use of square units in measuring area |
| | | | | 3. | Understands the concept of a cubic unit |
| | | | | 4. | Understands use of cubic units in measuring volume |
| | | | | 5. | Understands relationships between length, width, height and volume |
| | | | | 6. | Understands relationships between length, width, and area |
| | | Benchmark 4. | Solves problems involving units of measurement and converts answers to a larger or smaller unit within the same system (i.e., standard or metric) |
| | | | Knowledge/skill statements |
| | | | | 1. | Converts from larger to smaller units in the metric system |
| | | | | 2. | Converts from smaller to larger units in the metric system |
| | | | | 3. | Converts from smaller to larger units in the standard system |
| | | | | 4. | Converts from larger to smaller units in the standard system |
| | | Benchmark 5. | Understands the concepts of precision and significant digits as they relate to measurement (e.g., how units indicate precision) |
| | | | Knowledge/skill statements |
| | | | | 1. | Understands the concept of significant digits as it relates to measurement |
| | | | | 2. | Understands the concept of precision as it relates to measurement |
| | | | | 3. | Understands how units indicate precision |
| | | Benchmark 6. | Selects and uses appropriate units and tools, depending on degree of accuracy required, to find measurements for real-world problems |
| | | | Knowledge/skill statements |
| | | | | 1. | Selects an appropriate measurement tool based on needed accuracy |
| | | | | 2. | Selects an appropriate measurement unit based on needed accuracy |
| | Level IV (Grade 9-12) |
| | | Benchmark 5. | Uses unit analysis to solve problems involving measurement and unit conversion (e.g., between metric and U.S. customary systems, foreign currency conversions) |
| | | | Knowledge/skill statements |
| | | | | 1. | Understands the concept of unit analysis |
| | | | | 2. | Uses unit analysis to solve measurement problems |
| | | | | 3. | Uses unit analysis to solve unit conversion problems |
| | | | | 4. | Uses unit analysis to solve foreign currency conversion problems |
| | | | | 5. | Uses unit analysis to solve conversion problems between metric and U.S. customary systems |