Square roots of perfect squares | |
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Description | |
Exercise Name: | Square roots of perfect squares |
Math Missions: | 8th grade (U.S.) Math Mission, Pre-algebra Math Mission, Probability and statistics Math Mission, Algebra basics Math Mission, Mathematics I Math Mission |
Types of Problems: | 1 |
The Square roots of perfect squares exercise appears under the 8th grade (U.S.) Math Mission, Pre-algebra Math Mission, Probability and statistics Math Mission, Algebra basics Math Mission and Mathematics I Math Mission. This exercise is an arithmetic drill for positive square roots of perfect squares.
Types of Problems[]
There is one type of problem in this exercise:
- Find the square root of the number: This problem asks for the square root of a given number. The user is expected to find the square root and write it in the space provided.
Strategies[]
Knowledge of the 12 by 12 times tables is sufficient to do this exercise correctly. Practice will increase speed if needed.
- All the numbers under the radicals will be perfect squares, therefore the answers will all be integers.
- The largest number seen so far is the square root of 144.
Real-life applications[]
- Square roots have many uses in the physics as they are the way to undo squares in famous formulas like .
- Applications to trigonometry are also evident since the right triangle trigonometry is based on the Pythagorean Theorem.
- In geometry, the square root is necessary to find the distance between points or the magnitude of a vector.
- The concept of square and cube roots were first realized by the Egyptians. The Egyptians used square/cube roots to make important calculations for the pyramids they constructed.