Squares and Square Roots

Write your vocabulary words in your notes. Perfect squares and square roots. Perfect squares like 9, 16, 225 are squares of The Positive or Any number that can NOT be written as is a perfect square. whole ? product ? is an irrational number. negative ? numbers. of a number and whole numbers. itself ? fraction ? Find the square of 5.x = 25 25 sq units5 units 5 units Find the square of 8.x = 64 Find the square of 3.The square root of 9 is 3. x √9 = 3 = 9 What number times itself is 16? MUST BE THE SAME NUMBER x Find = 16 √ 16 What number times itself is 121? MUST BE THE SAME NUMBER x Find = 121 √ 121 What number times itself is 36? MUST BE THE SAME NUMBER x Find = 36 √ 36 10x10 = 100 8x8 = 64 9x9 = 81 4x4 = 16 7x7 = 49 1x1 = 1 2x2 = 4 3x3 = 9 5x5 = 25 6x6 = 36 11x11 = 121 12x12 = 144 13x13 = 169 14x14 = 196 15x15 = 225 16x16 = 256 17x17 = 289 18x18 = 324 19x19 = 361 20x20 = 400 √ √ 121 289 = = = |

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