Ratio Builders Worksheet
Math Foundations • Ratios
Ratio Builders
Name:
Date:
Key Rule to Remember
Equivalent ratios are equal comparisons. If you multiply both sides by the same number, the relationship stays the same!
Word Helper
Ratio: Comparison of 2 amounts
Equivalent: Equal in value
1
Worked Example: See How It Works
Multiplier Rule
1 Group (Start)
Stars
2
:
Circles
3
Ratio = 2 : 3
× 2 Double both
2 Equal Groups (Equivalent)
Stars
4
:
Circles
6
Ratio = 4 : 6
2
Your Turn: Multiply by 3
Step-by-Step Guide
Start: 1 Triangle to 2 Squares
1
:
2
Ratio = 1 : 2
Step: Multiply each part by 3
Triangles: 1 × 3 =
Squares: 2 × 3 =
New Ratio
:
Equivalent to 1 : 2
3
Ratio Table: Follow the Arrows
Visual Table Pathway
A fruit bowl has 3 Apples for every 4 Oranges.
Follow the arrows to find an equivalent ratio for 2 bowls of fruit.
Tip: Both rows multiply by 2!
Multiply by 2 (× 2)
| Fruit | 1 Bowl (Start) | 2 Bowls (Double) |
|---|
| Apples | 3 | |
| Oranges | 4 | |
Write the new ratio: :
Ratio Builders • Page 1 Keep going to Page 2 →
Independent & Scaffolded Practice
Ratio Builders • Page 2
Name:
4
Recipe Ratio: Baking Cookies
Ratio Table
The recipe calls for 2 cups of flour for every 1 cup of sugar. Fill in the missing numbers.
| Ingredient | 1 Batch (×1) | 2 Batches (×2) | 3 Batches (×3) | 4 Batches (×4) |
|---|
| Flour (cups) | 2 | 4 | | 8 |
| Sugar (cups) | 1 | 2 | 3 | |
Question: How many cups of flour do you need for 3 batches?
Answer: cups
5
Paint Mixing: Make a Double Batch
Step-by-Step
An artist mixes 3 drops of Blue with 5 drops of Yellow to make perfect green.
Step A: Double the Blue
3 × 2 =
Step B: Double the Yellow
5 × 2 =
Double Batch Ratio
:
Equivalent to 3 : 5
6
Match the Equivalent Pairs
Draw a line or write the letter
Match each starting ratio on the left with its equivalent partner on the right:
A. 1 : 4 (× 2)
B. 2 : 3 (× 4)
Choice 1: 8 : 12 Letter: [ ]
Choice 2: 2 : 8 Letter: [ ]
Optional Star Challenge
Bonus
Create your own equivalent ratio!
Start with 2 : 5. Pick any number to multiply both sides by.
×
=
:
How do you feel about equivalent ratios?
😄 I got this! 🙂 Need a little help 🤔 Still practicing
Ratio Builders • Page 2 of 2 Great work! Complete and review with your teacher.
