Play directly on the page, choose the operation that preserves the balance, and build your algebra skills through five untimed Dino Cove challenges.

Can you keep both sides equal while uncovering the mystery value of (x)?
Balance Challenge
ADVENTURES IN MATH
Dino Cove Balance Challenge
Keep both sides balanced. Use the same move on each side to uncover the mystery value of x.
Challenge 1 of 5
Balance Points: 0
Choose the next step that will help isolate x.
x
+
4
LEFT SCALE12 lb
=
EQUAL
4
+
4
+
4
RIGHT SCALE12 lb
x + 4 = 12
Dino Cove Balance Expert!
You treated both sides fairly and solved every mystery value.
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