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Class 7 Maths — Algebraic expressions

Identify terms and coefficients, collect like terms and evaluate an expression.

Name: ________________________

  1. 1.Find the value of a × a + 2 when a = 3.

  2. 2.Sort each term by whether it is a like term of 4x.

    Groups: Like term of 4x · Not a like term of 4x

    • 9
    • 4y
    • 7x
    • x
    • 4xy
    • -9x

  3. 3.Simplify 5x + 3y - 2x + y.

    • a) 7xy
    • b) 3x + 2y
    • c) 3x + 4y
    • d) 7x + 4y

  4. 4.Take m = 6. Match each expression to its value.

    • m + 4
    • 2m
    • m - 1
    • 3m
    • m ÷ 2
    • 12
    • 18
    • 5
    • 10
    • 3

  5. 5.How many terms are there in the expression 3x + 2y - 7?

  6. 6.Simplify 7a - 2a.

    • a) 5
    • b) 9a
    • c) 5a
    • d) 14a

  7. 7.Which of these is a like term of 5pq?

    • a) 5p
    • b) q
    • c) 5p + q
    • d) -2pq

  8. 8.Find the value of 2x + 3 when x = 4.

Answer key — Class 7 Maths — Algebraic expressions

  1. 1. 11
  2. 2. 7x → Like term of 4x; x → Like term of 4x; -9x → Like term of 4x; 4y → Not a like term of 4x; 4xy → Not a like term of 4x; 9 → Not a like term of 4x
  3. 3. c) 3x + 4y
  4. 4. m + 4 → 10; 2m → 12; m - 1 → 5; 3m → 18; m ÷ 2 → 3
  5. 5. 3
  6. 6. c) 5a
  7. 7. d) -2pq
  8. 8. 11