Equivalent Operation Puzzles Addition and Subtraction

Practice addition and subtraction fluency with these equivalent operation puzzles. Develops skills in mental math, decomposing numbers, algebraic thinking, and word problems. Each of these self-checking puzzles has 7 pieces - a hexagon piece displaying a number from 1-20, and 6 trapezoid pieces that display equivalent addition and subtraction problems. The set includes 20 puzzles; an orange set from 1-10 and a blue set from 11-20, plus a self-check container that students flip over for added fun! 140 pieces total, plus and additional 40 interchangeable pieces in French. Ages 3+. Grades 1+

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SI ManufacturingSKU: 14633

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