Learn Littles • Daily Worksheet
4th Grade
Reading comprehension, writing, multiplication, division, and problem solving
Worksheet for 2026-09-08
Name: Date:
📖 The Mystery of Rust
Nia placed clean iron nails in dry air, plain water, and salt water. The nail in salt water rusted fastest. Rust forms when iron reacts with oxygen in the presence of water. Salt can speed the corrosion process.
1. What three conditions did Nia compare?
2. Which nail rusted fastest?
3. What does iron need to form rust?
4. What effect can salt have?
✏️ Writing
Write a paragraph explaining what Nia's evidence suggests about rust.
➕ Math
1. 344 ÷ 8 = ______
2. 104 ÷ 4 = ______
3. 150 ÷ 5 = ______
4. 344 books are placed equally on 8 shelves. How many books are on each shelf? ______
🎨 Color & Create
Create a results chart for the three nail conditions.
View Answer Key
📖 Reading Answers
- Dry air, plain water, and salt water
- The nail in salt water
- Oxygen and water
- It can speed corrosion
➕ Math Answers
- 43
- 26
- 30
- 43