Silvias Berni
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Math Facts Baseball - Practice addition and subtraction facts!  There's a great statistics lesson in here too.  This would really be a great project for any elementary grade.

Use for addition, subtraction -then discover how to set up for multiplication Math Facts Baseball - Practice addition and subtraction facts! There's a great statistics lesson in here too. This would really be a great project for any elementary grade.

fraction pizza! meets standard 3.NF.1 Understand a fraction 1/b as the quantity of one part when the whole is partitioned into b equal parts. understand a fraction a/b as the quantity of a parts of size 1/b.

The Fraction Pizza is an awesome way to differentiate when teaching fractions. Understand a fraction a/b with as a sum of fractions . Understand addition and subtraction of fractions as joining and separating parts referring to the same whole.