MENTAL MATHS
DHIMAN, SANJAY
MENTAL MATHS - NOIDA BRIJBASI ART PRESS LIMITED 2006 - 20
Mental math is a group of skills that allow people to do math “in their head” without using pencil and paper or a calculator. One of these skills is remembering math facts, like 8 × 5 = 40. Other skills include rounding numbers and estimating calculations.
81-8385-284-X
REFERENCE
001 / DHI/M
MENTAL MATHS - NOIDA BRIJBASI ART PRESS LIMITED 2006 - 20
Mental math is a group of skills that allow people to do math “in their head” without using pencil and paper or a calculator. One of these skills is remembering math facts, like 8 × 5 = 40. Other skills include rounding numbers and estimating calculations.
81-8385-284-X
REFERENCE
001 / DHI/M