Perfect Square Roots

Perfect Square Roots

By Scott Donnelly

Factor Tree

Subject | Subject

​48

Draw

Make factor tree for

66

Multiple Choice

If a number ends in 5 or 0, what number is that number divisible by?

• 2

• 10

• 5

• Nothing

Multiple Select

What numbers divide into 32 evenly? Choose all that apply

• 2

• 3

• 4

• 8

• 6

b is number times it self that gives you a.

​The index is value number of times you want the number times itself. If no number there, then it is 2.

Square Root​

Perfect Square Roots

Draw

$$\sqrt[]{36}$$  

Draw

$$\sqrt[]{144}$$  

Perfect Square Roots

Big Numbers

On numbers bigger than 144, we will use a factor tree.

1. Use any number that you think can divide into the number.

2. For every 2 numbers that repeats, 1 number is pulled outside the radical

3. If multiple numbers are pulled out then we multiply the numbers. ​

400

Draw

$$\sqrt[]{625}$$