Maryland Standards. Addition and subtraction of decimals is like adding and subtracting whole numbers. The only thing we must remember is to line up the place values correctly.

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Study GuideAdd/Subtract Decimals

WorksheetAdd/Subtract Decimals

WorksheetAdd/Subtract Decimals

WorksheetAdd/Subtract Decimals

WorksheetAdding and Subtracting

VocabularyAdd/Subtract Decimals

MD.6.0. Knowledge of Number Relationships and Computation/Arithmetic: Students will describe, represent, or apply numbers or their relationships or will estimate or compute using mental strategies, paper/pencil, or technology.

6.A.2. Knowledge of Number and Place Value: Apply knowledge of fractions and decimals.

6.A.2.a. Read, write, and represent proper fractions of a single region using symbols, words, and models (Assessment limit: Use denominators 6, 8, and 10).

6.A.2.b. Read, write, and represent proper fractions of a set which has the same number of items as the denominator using symbols, words, and models (Assessment limit: Use denominators of 6,8, and 10 with sets of 6, 8, and 10, respectively).

6.A.2.e. Read, write, and represent decimals using symbols, words and models (Assessment limit: Use no more than 2 decimal places and numbers (0 - 100)).

6.C.1. Number Computation: Analyze number relations and compute.

6.C.1.f. Add 2 decimals (Assessment limit: Use the same number of decimal places but no more than 2 decimal places and no more than 4 digits including monetary notation and numbers (0 - 100)).

6.C.1.g. Subtract decimals (Assessment limit: Use the same number of decimal places but no more than 2 decimal places and no more than 4 digits including monetary notation and numbers (0 - 100)).

MD.7.0. Processes of Mathematics: Students demonstrate the processes of mathematics by making connections and applying reasoning to solve and to communicate their findings.

7.C.1. Communication: Present mathematical ideas using words, symbols, visual displays, or technology.

7.C.1.a. Use multiple representations to express concepts or solutions.

7.C.1.d. Express solutions using concrete materials.