2.2.8.B - Add, subtract, multiply and divide different kinds and forms of rational numbers including integers, decimal fractions, percents and proper and improper fractions
2.4.5.D - Distinguish between relevant and irrelevant information in a mathematical problem
2.4.8.B - Combine numeric relationships to arrive at a conclusion
2.4.8.D -Construct, use and explain algorithmic procedures for computing and estimating with whole numbers, fractions, decimals and integers
2.5.5.E - Select, use and justify the methods, materials and strategies used to solve problems
2.5.8.C - Justify strategies and defend approaches used and conclusions reached
