By the end of third grade, students deepen their understanding of place value and their understanding of and skill with addition, subtraction, multiplication and division of whole numbers. They estimate, measure and describe objects in space. They use patterns to help solve problems. They represent number relationships and conduct simple probability experiments.
Students understand place value of whole numbers.
Students calculate and solve problems involving addition, subtraction, multiplication and division. 2.7 determine the unit cost when given the total cost and number of units 2.8 solve problems which combine two or more of the skills above 3. Students understand the relationship between whole numbers, simple fractions and decimals. Students select appropriate symbols, operations and properties to represent, describe, simplify and solve simple number relationships. Students represent simple functional relationships.