Multiplication as Scaling Math Example 2

Follow the full solution, then compare it with the other examples linked below.

Example 2

medium
A drawing of a cat is 5 cm tall. You scale it up to be 3 times taller. How tall is the scaled drawing?

Solution

  1. 1
    Original height: 5 cm.
  2. 2
    Scale factor: 3.
  3. 3
    New height: \(5 \times 3 = 15\) cm.
  4. 4
    The scaled drawing is 15 cm tall.

Answer

15 cm
Multiplying by a scale factor stretches (or shrinks) a measurement proportionally. \(5 \times 3 = 15\) cm.

About Multiplication as Scaling

Understanding multiplication as resizing or scaling a quantity by a factor. Multiplying by 2 doubles, by 0.5 halves, and by 1 leaves unchanged — it stretches or shrinks the original number.

Learn more about Multiplication as Scaling →

More Multiplication as Scaling Examples

Example 1 easy

A recipe uses 3 cups of flour. If you make the recipe 4 times bigger, how many cups of flour do you

Example 3 easy

A plant is 8 inches tall. After one month it is 2 times taller. How tall is it now?

Example 4 medium

A photo is 4 inches wide. A poster version is 6 times wider. How wide is the poster?

← All Multiplication as Scaling Examples Multiplication as Scaling Concept