Algebraic expressions & operations Quiz - ICSE Class 7 Mathematics

Free practice quiz: Algebraic expressions & operations (ICSE Class 7 Mathematics). 47 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. If x = 3, what is the value of the expression 5x + 7?

   1. 15
   2. 22
   3. 28
   4. 32
   Show answer

   Answer: B. 22

   Substitute x = 3 into the expression: 5(3) + 7 = 15 + 7 = 22.

2. Simplify: 8m - (3m + 2n) + 5n

   1. 5m + 3n
   2. 5m + 7n
   3. 11m + 3n
   4. 11m + 7n
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   Answer: A. 5m + 3n

   Distribute the negative sign: 8m - 3m - 2n + 5n. Combine like terms: (8m - 3m) + (-2n + 5n) = 5m + 3n.

3. What is the term in the expression 3ab - 5bc + 2ac?

   1. 3ab
   2. 3
   3. ab
   4. 3a
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   Answer: A. 3ab

   A term in an algebraic expression is a single mathematical entity. It can be a single number (constant), a single variable, or a product of numbers and variables. In this expression, '3ab', '-5bc', and '2ac' are the terms.

4. If p = 3, what is the value of p^3?

   1. 9
   2. 27
   3. 3
   4. 1
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   Answer: B. 27

   To find p^3, we multiply p by itself three times: 3 * 3 * 3 = 9 * 3 = 27.

5. Simplify: 7p + 5q - 3p - 2q + 1

   1. 4p + 3q + 1
   2. 10p + 7q + 1
   3. 4p + 7q + 1
   4. 10p + 3q + 1
   Show answer

   Answer: A. 4p + 3q + 1

   Combine like terms: (7p - 3p) + (5q - 2q) + 1 = 4p + 3q + 1.

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