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5th Grade

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

Worksheet for 2026-09-16

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📖 How Carbon Moves Through Ecosystems

Plants take carbon dioxide from the atmosphere during photosynthesis. Animals obtain carbon by eating plants or other animals. Respiration returns carbon dioxide to the air. Decomposition and combustion also move stored carbon into other parts of the carbon cycle.

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 carbon moves through ecosystems. Use evidence and cause-and-effect reasoning.

➕ Math

1. A rectangular prism is 7 × 7 × 5. Find its volume: ______
2. What is the area of a 7 × 7 rectangle? ______
3. Plotting (3, 5): which number tells how far right to move? ______
4. In the coordinate pair (4, 7), what is the y-coordinate? ______

🎨 Color & Create

Create a labeled model or diagram that explains how carbon moves through ecosystems.

View Answer Key

📖 Reading Answers

  1. Plants take carbon dioxide from the atmosphere during photosynthesis.
  2. Animals obtain carbon by eating plants or other animals.
  3. Respiration returns carbon dioxide to the air.
  4. Decomposition and combustion also move stored carbon into other parts of the carbon cycle.

➕ Math Answers

  1. 245
  2. 49
  3. 3
  4. 7

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