With each lesson, students get a chance to practice examples with me after I've taught the concept. Plus, there is a practice video for them to practice everything together.
You'll need: graph paper & number line paper from -10 to 10 (can be found free online).
Optional: Blocks can also be used in the Lesson 1 video.
Lesson 1 Perfect Squares Video (12 min):
Quick reminder of exponents and side lengths of squares are the same.
What are perfect square numbers?
What's a radical sign? What's a square root?
List of perfect squares and square roots from 1 - 10.
What about numbers that aren't perfect squares? What about their square roots?
Identify which numbers are the perfect squares.
Lesson 2 Positive and Negative Square Roots Video (7 min):
Positive numbers have BOTH positive & negative square roots.
Example problems of positive & negative square roots.
Label the number line.
Complete the number line.
Lesson 3 Calculator and Estimating Square Roots Video (14 min):
How to find the square root - Calculator
How to find the square root - Estimation on the number line
Journal Recap Video (15 min):
Students will write in their math journal what they see on the screen.
Example of squaring a number and then taking the square root
Draw it - Visual example of perfect squares
List of new vocabulary and symbols
"How to" example showing the process
"How NOT to" example
Algebra - Examples of what to do with square roots in equations
3 ways to find the square root
List of perfect squares from 0 to 400
When to use this skill
How to find the square root with a calculator
Practice Video (14 min):
Students will pause the video to answer and then play the video to see the answer.
Video preview is a clip of this video.
Find the perfect squares and square roots.
Find the perfect squares.
Find the square roots with negative sign and plus/minus sign (both positive & negative square roots).
Find the square root with your calculator.
Find the square root using estimation (with number line).
Find the square root using estimation (without number line).
Don't forget to leave a review. I'm excited to hear how it went for you!