Name ________________________________

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Adding & Subtracting Monomials Worksheet 1 Both terms have the same variable to same degree; Single digit numbers.

Find each sum or difference.

1) 3y2 + 4y2 = ____________ 2) 14x3 + 4x3 = ____________

3) -5p + (-7p) = ____________ 4) 16s + (-4s) = ____________

5) 7n + 21n = ____________ 6) -40q – 14q = ____________

7) 15h – 21h = ____________ 8) 24d – 16 = ____________

9) 56x2 + 31x2 = ____________ 10) -20y – 20y = ____________

11) z4 – (-6z4) = ____________ 12) 25d3 + 75d3 = ____________