Louisiana Academic Standards
LA.5.NBT. Number and Operations in Base Ten
5.NBT.A. Understand the place value system.
5.NBT.A.3. Read, write, and compare decimals to thousandths.
5.NBT.A.3.b. Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.
LA.5.NF. Number and Operations—Fractions
5.NF.A. Use equivalent fractions as a strategy to add and subtract fractions.
5.NF.A.2. Solve word problems involving addition and subtraction of fractions.
5.NF.A.2.b. Use benchmark fractions and number sense of fractions to estimate mentally and justify the reasonableness of answers. For example, recognize an incorrect result 2/5 + 1/2 = 3/7, by observing that 3/7 < 1/2.