Course 2 Online!
Henrico County Public Schools, Virginia
7.1d - Square Roots
Number, Number Sense, Computation and Estimation

Measurement and Geometry

Probability, Statistics, Patterns, Functions, and Algebra

SOL Review Materials
*Items measuring these SOL will be completed without the use of a calculator.
Number and Number Sense
Focus: Proportional Reasoning

The student will
d)   determine square roots. 
Essential Knowledge and Skills 
  • Determine the square root of a perfect square less than or equal to 400.
Essential Understandings
  • How is taking a square root different from squaring a number? Squaring a number and taking a square root are inverse operations.
Vertical Articulation
  • SOL 6.5 - investigate/describe positive exponents, perfect squares
  • SOL 8.5ab - a) determine if a number is a perfect square; b) find two consecutive whole numbers between which a square root lies
  • SOL A.3 - express square roots/cube roots of whole numbers/the square root of monomial algebraic expression (simplest radical form)
Instructional Materials
  1. VDOE Enhanced Scope and Sequence Lesson: Square Roots (PDF)
  2. Notes: Perfect Squares and Square Roots (flipchart)
  3. Activity: Perfect Square/Square Root Memory Game
    1. Memory Game (flipchart)
Real World Lessons
  1. Worksheet: Square Roots (pdf)
SOL Mini Quiz
  1. SOL 7.1d Mini Quiz: Square Roots (pdf) | (doc)
  1. Worksheet: Perfect Squares & Square Roots Word Problems (doc)
  1. Learn Alberta: Exploring Square Roots Video (Video Interactive)
  2. YouTube: Perfect Squares and their Roots
Explore Learning
  1. Square Roots: Explore the meaning of square roots using an area model. Use the side length of a square to find the square root of a decimal number or a whole number.
  1. Illuminations: Square Root and Perfect Square Lesson with Manipulatives
  2. Illuminations: In Search of Perfect Squares
  3. Learn Alberta: Exploring Square Roots (Object Interactive)
  4. WisWeb: Checkerboard
  5. XPMath: Perfect Square and Square Roots Game
  6. XPMath: Square Root Cannon Game
  7. CRCTLessons: Perfect Squares Game
  8. Internet4Classrooms: Perfect Squares and Square Roots Practice
  9. StudyStack: Square Root Practice
VDOE Interventions
  1. VDOE Algebra Readiness Curriculum Companion: Exploring Whole Numbers - (SOL 7.1bd) The lessons focus on solving problems that use whole number operations, prime and composite numbers, odd and even numbers, perfect squares and square roots. (pdf)
Common Core Standards