Understand numbers, ways of representing numbers, relationships among numbers, and number systems
Expectations (3 - 5)
develop understanding of fractions as parts of unit wholes, as parts of a collection, as locations on number lines, and as divisions of whole numbers;
use models, benchmarks, and equivalent forms to judge the size of fractions;
recognize and generate equivalent forms of commonly used fractions, decimals, and percents;
Expectations (6 - 8)
work flexibly with fractions, decimals, and percents to solve problems;
Compute fluently and make reasonable estimates
Expectations (3 - 5)
develop understanding of fractions as parts of unit wholes, as parts of a collection, as locations on number lines, and as divisions of whole numbers;
use models, benchmarks, and equivalent forms to judge the size of fractions;
recognize and generate equivalent forms of commonly used fractions, decimals, and percents;
use visual models, benchmarks, and equivalent forms to add and subtract commonly used fractions and decimals;
Expectations (6 - 8)
work flexibly with fractions, decimals, and percents to solve problems;
select appropriate methods and tools for computing with fractions and decimals from among mental computation, estimation, calculators or computers, and paper and pencil, depending on the situation, and apply the selected methods;
develop and analyze algorithms for computing with fractions, decimals, and integers and develop fluency in their use;