Simplifying Radicals with the Birthday Cake Method

What method is used to simplify radicals in the video?

• Birthday cake method

• Division method

• Prime factorization

• Quadratic formula

What is the simplified form of the square root of 80?

• 10 square root of 8

• 2 square root of 20

• 4 square root of 5

• 8 square root of 10

What is the first step in simplifying the square root of 80 using the birthday cake method?

• Divide by 2

• Find the prime factors

• Circle pairs of numbers

• Multiply the numbers outside the radical

What is the purpose of circling pairs in the birthday cake method?

• To find numbers to divide by

• To identify prime numbers

• To multiply numbers inside the radical

• To factor numbers out of the radical

What does the 'birthday candle' signify in the birthday cake method?

• A pair of numbers has been circled

• The end of the simplification process

• The beginning of the process

• A prime number has been found

Tags

CCSS.6.EE.A.1

What is the simplified form of the square root of 120?

• 2 square root of 30

• 3 square root of 40

• 4 square root of 15

• 6 square root of 20

How many pairs of 2s are factored out in simplifying the square root of 120?

• Four pairs

• Three pairs

• Two pairs

• One pair

What is the final simplified form of 3 times the square root of 128?

• 6 square root of 8

• 12 square root of 4

• 24 square root of 2

• 3 square root of 64

How many pairs of 2s are factored out in simplifying 3 times the square root of 128?

• One pair

• Four pairs

• Two pairs

• Three pairs

What remains inside the radical when simplifying 3 times the square root of 128?

• 2

• 3

• 5

• 4