importance of mental calculation

IMPORTANCE OF MENTAL CALCULATION

Why calculate in mind, when I

have my calculator?

7 x 9 – 8 + 10?

PHYSICAL MENTAL

WHY IS MENTAL MATH IMPORTANT? It is essential because it lays the foundation for more complex maths.

It provides both tools for solving problems and filters for evaluating answers.

It is an excellent way to stimulate one's mind. Research has proven that there is a direct relation between numbers, brain stimulation and development. 

Thinking is what makes us human--not dependance on machines to do our thinking for us!

SOURCES Importance of mental math. In Factonia. (2012). Retrieved July 10, 2013,

from http://www.factonia.com/mentalmath

Seeley, Cathy L. (2005). Do the Math in Your Head! From The National Council of Teachers of Mathematics. Retrieved July 10, 2013, from http://www.nctm.org/uploadedFiles/About_NCTM/President/Past_Presidents_Messages/Seeley_Messages/2005_12_mathhead.pdf

Why Is Mental Math Important? In Ask Dr. Math. (2004). Retrieved July 10, 2013, from http://mathforum.org/library/drmath/view/65180.html

Why mental maths is important. In Mums Limited. (n.d.) Retrieved July 10, 2013, from http://www.mumsnet.com/learning/maths/why-mental-maths-is-important