Practice the questions given in the worksheet on adding and subtracting like terms. The questions are based on adding and subtracting like terms we need to collect different groups of like terms and then we need to find the sum and the difference of like terms in each group.
1. Add the following terms:
(i) 5a, 3a, 7a and 8a
(ii) 4x^{3}, 9x^{3}, 4x^{3} and 3x^{3}(vi) 9xy, 2xy, 6xy, 4ay and xy
(vii) 12mn, 16mn, mn,  7mn and 3mn
(viii) 6abz, 10abz, 3abz and 9abz
2. Subtract the following terms:
(i) 10a from 15a
(ii) 2x from 12x
(iii) 5x^{2} from 9x^{2}(viii) 9abxy from 2abxy
3. Find the sum of:
(i) 3a, 11a, a and 32a
(ii) 3x, 7x, 5x and 11x
(iii) 7ab, 2ab, 3ab, 5ab and ab
(iv) 5s, 2s, 3s, s, 5s and s
(v) 5m, 3m, 7m, 21m and 15m
4. Simplify by combining like terms:
(i) 5z^{2} – 11z + 4z^{2} + 2z(vi) 4a  3b + 6c + 8a + 8b  4c
(vii) p  4q  7r + 4r + 9p – 7q 3r + p  5q
(viii) pq + 2qr – 3rp + 5pq + 6rp – 2qr + 8pq – 5qr + 3rp  3rp
Answers for the worksheet on adding and subtracting like terms are given below to check the exact answers of the above simplification.
Answers:
1. (i) 3a
(ii) 4x^{3}(vi) 10xy
(vii) 7mn
(viii) 10abz
2. (i) 5a
(ii) 14x
(iii) 4x^{2}(viii) 11abxy
3. (i) 47a
(ii) 4x
(iii) 2ab
(iv) s
(v) 11m
(vi) 12a + 5b + 2c
(vii) 11p + r
(viii) 14pq – 5qr + 3rp
`● Terms  Worksheets
Worksheet on Like and Unlike Terms
Worksheet on Addition of Like Terms
Worksheet on Subtraction of Like Terms
Worksheet on Adding and Subtracting Like Terms
Worksheet on Combining Like Terms
Worksheet on Addition of Unlike Terms
Math Home Work Sheets
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