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- In general, students who can generate equivalent fractions can develop strategies for adding fractions with unlike denominators, but addition and subtraction with unlike denominators is not a requirement at this grade.

# In general, students who can generate equivalent fractions can develop strategies for adding fractions with unlike denominators, but addition and subtraction with unlike denominators is not a requirement at this grade.

### Lessons for this standard

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### Related standards

- This standard is part of: OH.Math.4.NF.5
- This standard is derived from: CCSS.Math.Content.4.NF.C.5

#### Similar standards in other grades

Recognize and generate simple equivalent fractions, e.g., ½ = 2/4, 4/6 = ⅔. Explain why the fractions are equivalent, e.g., by using a visual fraction model.

Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size.

Express whole numbers as fractions, and recognize fractions that are equivalent to whole numbers.

Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size.

Recognize and generate simple equivalent fractions, (e.g., 1/2 = 2/4, 4/6 = 2/3). Explain why the fractions are equivalent, e.g., by using a visual fraction model.

#### Similar standards elsewhere

Express a fraction with denominator 10 as an equivalent fraction with denominator 100, and use this technique to add two fractions with respective denominators 10 and 100.

Express a fraction with denominator 10 as an equivalent fraction with denominator 100.

Express a fraction with denominator 10 as an equivalent fraction with denominator 100, and use this technique to add two fractions with respective denominators 10 and 100.

Express a fraction with denominator 10 as an equivalent fraction with denominator 100, and use this technique to add two fractions with respective denominators 10 and 100.

Add two fractions with respective denominators 10 and 100.