Grade 5 - Number
Standard 5.N.11 - Solve addition and subtraction inequalities with decimals.
Included Skills: Number Properties, Decimals, Mixed Equations
Demonstrate an understanding of addition and subtraction of decimals (limited to thousandths). • Achievement Indicators • Students who have achieved this outcome(s) should be able to: - 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.