0.1, 0.01, 0.001 Estimate sum or difference by rounding Compare decimals using <, >, or = and justify Order 2-digit decimals Properties of addition and subtraction Add and subtract 1- and 2-digit decimals Add and subtract common fractions and mixed numbers with unlike denominators Use mental math and estimation strategies to Add and subtract fractions and mixed add and subtract whole numbers numbers with common denominators Use mental math and estimation Understand and model addition and Use order of operations, including subtraction of decimal fractions and common parenthesis Develop skills fractions with like denominators Compute using commutative, associative, and in addition and Use mental math and estimation strategies to distributive properties subtraction add/subtract decimal fractions and common Use mental math and estimation fractions with like denominators and apply them Solve problems requiring addition and in problem subtraction of whole numbers, decimal solving fractions, and common fractions with like denominators Money Model addition and subtraction by counting back change using the fewest number of coins Third Grade Fourth Grade Fifth Grade
Estimate sum or difference by rounding Order 2-digit decimals 0.1, 0.01, 0.001 Compare decimals using <, >, or = and justify Develop skills in addition and subtraction and apply them in problem solving Properties of addition and subtraction Use mental math and estimation strategies to add and subtract whole numbers Understand and model addition and subtraction of decimal fractions and common fractions with like denominators Use mental math and estimation strategies to add/subtract decimal fractions and common fractions with like denominators Solve problems requiring addition and subtraction of whole numbers, decimal fractions, and common fractions with like denominators Add and subtract 1- and 2-digit decimals Add and subtract fractions and mixed numbers with common denominators Use order of operations, including parenthesis Compute using commutative, associative, and distributive properties Use mental math and estimation Add and subtract common fractions and mixed numbers with unlike denominators Use mental math and estimation Money Model addition and subtraction by counting back change using the fewest number of coins Third Grade Fourth Grade Fifth Grade