Squares & Square Roots Warmup 2

Which of the following is not a perfect square?

• 841

• 529

• 198

• All of the above

Answer explanation

198 is not a perfect square because it is not the result of an integer multiplied by itself. 841 and 529 are perfect squares.

• True

• False

Answer explanation

The correct answer is False because 4^2 is not equal to -4^2. The negative sign applies only to the number it is directly in front of.

Match the following numbers to their square roots.

• 7

• 49

• 5

• 25

• 6

• 36

• 9

• 64

• 8

• 81

Match the following numbers to their squares.

• 196

• 13

• 225

• 11

• 121

• 14

• 144

• 12

• 169

• 15

​ ​ (a)   a number finds the product of that number and itself.

• Squaring

• Square Rooting

Answer explanation

Squaring a number means finding the product of that number and itself, making it the correct choice in this context.

​ ​ ​ (a)   ​ a number finds the factor of a given number that multiplies by itself.

• Square Rooting

• Squaring

Answer explanation

Square Rooting is the correct choice because finding the factor of a number that multiplies by itself involves taking the square root of the number.