Adding and Subtracting Polynomials Worksheet with Answer Key

What's on the worksheet

1. Add or subtract the polynomials and write each result in standard form.
2. Simplify expressions with several variables by matching the power on each letter.
   (3r^2s^2 - rs + 2) + (r^2s - rs + 5r^2s^2)(2xyz - 4xz + yz) - (-xyz + yz - 3)(m^2n - 2mn^2) + (3mn^2 + n^3) + (-m^2n + mn^2 - 2n^3)
3. Sort eight terms into groups of like terms and combine them.
4. Subtract the sum of two polynomials from a third, then subtract them one at a time.
5. Find the degree of the difference of two polynomials and explain why.
6. Simplify a sum with a fraction term and decide if the answer is a polynomial.
7. Park lawn problem: subtract the flower bed area from the lawn area.
8. Find the numbers that belong in the boxes of a polynomial subtraction.