Mental Math – Getting Sharper Methods

Fraction Kits – beginnings

By cjsharpe Posted on July 17, 2017 Posted in Mental Math, Summer School 2017 No Comments Tagged with 3.NF.A., 3.OA.A, Fractions, Unit fractions

So far in summer school, we’ve been working on sociomathematical goals: getting students accustomed to routines and procedures for sharing their thinking in pairs, in written work, and in whole-group dicussions. Mathematically, the activities and lessons we’ve used to develop …

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8+9: four strategies for counting and adding

By cjsharpe Posted on July 7, 2017 Posted in Mental Math, Summer School 2017 No Comments Tagged with 1.OA.B.3, 1st grade, 2nd grade, addition, developing norms, Summer School 17

Yesterday was our first mental math as a 3rd grade summer school class. This mental math number talk was designed to be a ‘warm up’ to the instructional routine; in terms of the standards, this problem would be well suited …

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Category: Mental Math

Fraction Kits – beginnings

8+9: four strategies for counting and adding

Mental Math: 5/6 + 3/6

Mental Math: 1/4 x 5

Mental Math: 16 x 6 (answer given)