Exploring Square and Cube Roots

In this video, Jonathan Hicks introduces the concepts of square and cube roots, explaining that they are the inverse operations of squaring and cubing numbers. He provides examples to illustrate how to find square roots, such as the square root of 25 being 5, and cube roots, like the cube root of 27 being 3. The video emphasizes understanding these operations by working backwards from the result to the original number. The tutorial concludes with a summary of the key points covered.

What is the prerequisite knowledge needed before learning square roots and cube roots?

• Fractions and Decimals

• Addition and Subtraction

• Squaring and Cubing

• Multiplication and Division

Tags

CCSS.8.EE.A.2

What is the square root of 25?

• 6

• 4

• 3

• 5

Tags

CCSS.8.EE.A.2

Which symbol is used to denote the square root?

• A ticky symbol

• A division sign

• A minus sign

• A plus sign

Tags

CCSS.8.EE.A.2

What number squared gives you 16?

• 2

• 5

• 3

• 4

Tags

CCSS.8.EE.A.2

What is the square root of 49?

• 8

• 7

• 6

• 5

Tags

CCSS.8.EE.A.2

What does 2 cubed equal?

• 10

• 8

• 6

• 4

Tags

CCSS.8.EE.A.2

What is the symbol for cube root?

• A ticky symbol with a small 2

• A ticky symbol with a small 5

• A ticky symbol with a small 3

• A ticky symbol with a small 4

Tags

CCSS.8.EE.A.2

What is the cube root of 8?

• 3

• 4

• 2

• 1

Tags

CCSS.8.EE.A.2

What number cubed gives you 27?

• 5

• 4

• 3

• 2

Tags

CCSS.8.EE.A.2

What is the opposite of cubing a number?

• Square rooting

• Squaring

• Multiplying

• Cube rooting

Tags

CCSS.8.EE.A.2