Tap to find

Identify the Unknown

Every equation has a mystery value. Read the story and tap the part that represents the unknown.

Correct! That's our variable.
Drag to build

Translate the Story

{{ s2.story }}

Equation Pieces

Perfect equation! Not quite right. Tap a piece to return it.
Tap to balance

Solve the Equation

Tap blocks on the left to remove them from both sides and isolate x.

x
Slide to solve

Find the Value

{{ s4.story }}

{{ s4.currentVal }} {{ s4.currentVal * s4.a }}
Current Target: {{ s4.target }}
You cracked the code!
🏆

Master Detective!

You successfully identified variables, built equations, balanced scales, and solved for the unknown.