In my opinion, Math could be thought without the scientific calculator. This way the students will be more forced to learn basic multiplications and operations in their heads. This will be affective to improve the left side of the brain. The calculator doesn't let students to force this side of the brain so it becomes very passive! They even can not calculate a single operation in their head without any calculator help! Not active left brain makes the USA imports new brains from other part of the world!
Starting with7- 8 graders, calculator should not be allowed until college level of math. I strongly recommend this. The reason I say, students who are very success in elementary school become unsuccessful when they are entering 7th or 8th grade because of usage of the calculators.
No calculators in schools and much success in Math!
Thanks
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