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5th Grade

Deeper reading, structured writing, fractions, and multi-step problem solving

Worksheet for 2026-09-24

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📖 How Natural Selection Changes Populations

Individuals in a population vary in inherited traits. Some traits can improve survival or reproduction in a particular environment. Individuals with those traits may leave more offspring. Across many generations, advantageous inherited traits can become more common.

1. What key idea begins the explanation?

 

2. What mechanism or supporting detail is described?

 

3. What additional evidence or effect is given?

 

4. How does the final detail deepen the explanation?

 

✏️ Writing

Write 1–2 developed paragraphs explaining how natural selection changes populations. Use evidence and cause-and-effect reasoning.

➕ Math

1. 520 ÷ 8 = ______
2. 180 ÷ 6 = ______
3. Estimate 520 ÷ 8: ______
4. 520 items are packed equally into 8 boxes. How many items go in each box? ______

🎨 Color & Create

Create a labeled model or diagram that explains how natural selection changes populations.

View Answer Key

📖 Reading Answers

  1. Individuals in a population vary in inherited traits.
  2. Some traits can improve survival or reproduction in a particular environment.
  3. Individuals with those traits may leave more offspring.
  4. Across many generations, advantageous inherited traits can become more common.

➕ Math Answers

  1. 65
  2. 30
  3. About 65
  4. 65

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