**South Dakota Education Standards**. What are fractions? When an object is broken into a number of parts, these parts must all be the same size. These equal parts can be counted to become a fraction of that object. Read More...

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Study GuideFractions

Worksheet/Answer keyFractions

Worksheet/Answer keyFractions

Worksheet/Answer keyFractions

Worksheet/Answer keyFractions

Worksheet/Answer keyFractions and Decimals

Worksheet/Answer keyFractions and Decimals

Worksheet/Answer keyFractions and Decimals

Vocabulary/Answer keyFractions

Vocabulary/Answer keyFractions

SD.1.N. Number Sense: Students will develop and use number sense to investigate the characteristics of numbers in a variety of forms and modes of operation.

1.N.1. Analyze the structural characteristics of the real number system and its various subsystems. Analyze the concept of value, magnitude, and relative magnitude of real numbers.

1.N.1.2. Knowledge: Students are able to use unit fraction models to create parts of a whole.

1.N.1.2.a. Determine ways in which shapes can be divided into equal pieces, i.e., fractional portions of fourths, halves, and thirds.

1.N.3. Develop conjectures, predictions, or estimations to solve problems and verify or justify the results.

1.N.3.1. Application: Students are able to solve addition and subtraction problems up to 20 in context.

1.N.3.1.a. Represent problem situations and solve using concrete objects, pictures, or numbers.