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Teacher Talk Title Rolling Through Integers Math Content Adding and Subtracting Integers TEKS info GRADE LEVEL – 7th Grade STRAND – 7.1 within a well-balanced Mathematics curriculum, the primary focal points at Grade 7 are using proportional relationships in integers. (b) Knowledge and skills. (2) Number, operation, and quantitative reasoning. The student adds or subtracts to solve problems and justify solutions. The student is expected to: (C) use models to add and subtract integers. OBJECTIVE – The student will be able to add and subtract integers whether positive or negative. Resources www.mathgoodies.com/lessons/vol5/operations.html www.edhelper.com/integers.htm Sonnabend, Thomas. Mathematics for Elementary Teachers Description of Activity Students will assemble and answer equations that produce negative and positive solutions. Students will be able to realize that the sum or addition of two positive integers is positive. Students will be able to realize that the sum of two negative integers is negative. Students will be able to find the sum of a positive and a negative integer by finding the absolute value of each integer and then subtract these values. The result takes the sign of the integer with the greatest absolute value. Extension Ideas This tri-fold center can be changed around by changing the numbers that are stationary on the board or even by not having any numbers to begin with and the student is having to roll for both numbers to add or subtract. Supplies Needed Construction Ideas Tri-fold, cardboard box, 4 foam dice, border, felt, colored paper, art paper, die cut letters, glue, staples, markers, plastic hooks, Christmas lights and butcher paper.
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