Grandma's Game

en Limba Engleză Hardback – 21 mar 2016

Operations with integers can be a pitfall for many mathematics students from sixth grade on to the college level. This story presents adding and subtracting positive and negative numbers in a way that students can easily manipulate in a concrete manner to visualize the answer. This model could contribute to getting better grades in prealgebra through upper courses.

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Liferich – 21 mar 2016	204^.86 lei 6-8 săpt.