Practice the questions given in the worksheet on subtraction of unlike terms. We know that, the difference between one like term from the other like term can be express as a single like term but in case of unlike terms we cannot subtract them from one another to express the result as a single term.
1. Find the difference of:
(i) 9n from 13m
(ii) 7a^{2} from 7ab2. Subtract the following:
(i) from 5pq take p
(ii) from 11a^{2}bc take 5abc(v) from 17mn take 9n
(vi) from 21xy take 21ab
3. Subtract the first term from the second term:
(i) 9a, 11b
(ii) 7ab, 3b^{2}(iii) 5y, 3x
(iv) 11mn, 21m
(v) pq, ab
(vi) 23pqr, 23pq
4. Evaluate the following:
(i) 2x + 5y - 3y
(ii) a + b + a - b
(iii) 6xy - 8y - 3xy
(iv) 8x - 5y - 7x + 10y
(v) -5ax - 9ax - 7ay
(vi) x^{2} - y^{2} - x^{2}5. What is the difference between -11pq and 9p?
6. How much is 7m + 5n greater than 3n?
Answers for the worksheet on subtraction of unlike terms are given below to check the exact answers of the above questions on subtracting unlike terms.
Answers:
1. (i) 13m - 9n
(ii) 7ab - 7a^{2}2. (i) 5pq - p
(ii) 11a^{2}bc - 5abc(iii) -9bc - 9ac
(iv) x^{2} - y^{2}(v) 17mn - 9n
(vi) 21xy - 21ab
3. (i) 11b - 9a
(ii) 3b^{2} - 7ab(iii) 3x - 5y
(iv) 21m - 11mn
(v) ab - pq
(vi) 23pq - 23pqr
4. (i) 2x - 2y
(ii) 2a
(iii) 3xy - 8y
(iv) x + 5y
(v) - 14ax - 7ay
(vi) - y^{2}5. -11pq - 9p
6. 7m + 2n
● Terms - Worksheets
Worksheet on Like and Unlike Terms
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Worksheet on Subtraction of Like Terms
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Worksheet on Addition of Unlike Terms
Math Home Work Sheets
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