Understanding Square Roots

This video tutorial from MooMooMath and Science explains how to find the square root of 49. It begins by introducing the concept of square roots and perfect squares, using 49 as an example. The video then demonstrates how to use a factor tree to break down 49 into two sevens, which are placed under the square root symbol. It explains the process of extracting pairs from under the square root sign, resulting in the square root of 49 being 7. The video concludes with a reminder about the importance of kindness.

What is a perfect square?

• A number that can be divided by 2

• A number that is the square of an integer

• A number that is a multiple of 10

• A number that is odd

What is the first step in using a factor tree to find the square root of 49?

• Add 7 to 49

• Subtract 7 from 49

• Multiply 7 by 7

• Divide 49 by 2

Why do we use pairs in simplifying square roots?

• To simplify the expression

• To find the average

• To add more numbers

• To make the number larger

What number do you take out when you have a pair of sevens under the square root?

• Fourteen

• Two

• Forty-nine

• Seven

What is the final result of the square root of 49?

• Six

• Seven

• Eight

• Nine