Grade 5 - Number
Standard 5.N.11 - Solve addition and subtraction word problems with decimals.
Included Skills: Decimals, Mixed Equations
Demonstrate an understanding of addition and subtraction of decimals (limited to thousandths). • Place the decimal point in a sum or difference, using front-end estimation; e.g., for 6.3 + 0.25 + 306.158, think 6 + 306, so the sum is greater than 312. • Correct errors of decimal point placements in sums and differences without using paper and pencil. • Explain why keeping track of place value positions is important when adding and subtracting decimals. • Predict sums and differences of decimals, using estimation strategies. • Solve a given problem that involves addition and subtraction of decimals, limited to thousandths.