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Biology · Grades 5–9

Germination percentage

Divide germinated seeds by all tested seeds, including those that did not germinate.

Make a worksheet

Rule and assumptions

Divide germinated seeds by all tested seeds, including those that did not germinate.

percentage = germinated/tested × 100

Worked examples

In supplied data, 58 of 100 seeds germinated under the stated test conditions. Find the sample germination percentage. Round to 3 decimal places if needed. Answer in %.

percentage = germinated/tested × 100 58/100 × 100 = 58

58 %

In supplied data, 35 of 91 seeds germinated under the stated test conditions. Find the sample germination percentage. Round to 3 decimal places if needed. Answer in %.

percentage = germinated/tested × 100 35/91 × 100 = 38.462

38.462 %

Try two questions

  1. In supplied data, 51 of 108 seeds germinated under the stated test conditions. Find the sample germination percentage. Round to 3 decimal places if needed. Answer in %.

  2. In supplied data, 104 of 110 seeds germinated under the stated test conditions. Find the sample germination percentage. Round to 3 decimal places if needed. Answer in %.

Answers and reasoning

Answers and marking notes
  1. 47.222 %

    percentage = germinated/tested × 100 51/108 × 100 = 47.222

  2. 94.545 %

    percentage = germinated/tested × 100 104/110 × 100 = 94.545

Further reading and review references

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Learning preview · independent educational and translation review required. Suggested grades are not official curriculum alignment.