Ratio & Proportion Generator

Ratio & Proportion

Complete the missing number to maintain the proportion

2:7=___:42
5:___=25:25
5:___=10:16
9:7=36:___
___:1=18:2
3:4=___:20
6:2=___:12
8:6=___:18
___:2=9:6
1:___=6:18
___:9=15:45
3:___=15:25
3:___=18:30
7:9=42:___
9:___=54:30
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Printable Ratio & Proportion Worksheets

Ratio and proportion are the pillars of algebraic thinking. Our worksheets help students identify multiplicative relationships between numbers and solve simple equations.

What can you practice?

  • Completing the missing term in a ratio equation (1:2 = ?:8)
  • Practicing multiplication and division in the context of ratios
  • Identifying the connecting factor between ratio pairs
  • Preparation for standardized tests and science studies

Why use the worksheet generator?

Logical Thinking

Solving ratio problems requires deeper understanding than just technical calculation - you need to find the pattern.

Useful in Kitchen and Maps

Scaling recipe quantities or reading map scales - it's all ratio and proportion.

Easy Transition to Algebra

Finding the unknown in a proportion is actually solving the child's first equation (X).

Tips for successful practice with children

💡 Ask: 'How many times did the first number grow? The second number must grow by the same factor'.

💡 Draw the ratios to illustrate (for example, red balls versus blue balls).

💡 Don't rush to solve - let the child try to discover the pattern themselves.