Perfect squares and square roots
Identify and represent perfect squares, and determine their square roots, in various contexts. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
Try one
Evaluate the perfect square.
82
Answer: 64
See one solved, step by step
Find the square root.
√(144)
📘 Worked solution
112 · 12 = 144Try squaring whole numbers near sqrt(144) until one matches.
2√(144) = 12Since 12 * 12 = 144, 12 is the square root.
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