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Grade 7 Math — Algebraic expressions

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

Name: ________________________

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

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

  2. 2.Simplify 3x + 5x.

    • a) 2x
    • b) 15x
    • c) 8
    • d) 8x

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

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

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

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

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

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

  6. 6.What is the coefficient of x in the expression 4x - 9?

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

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

Answer key — Grade 7 Math — Algebraic expressions

  1. 1. a) -2pq
  2. 2. d) 8x
  3. 3. 11
  4. 4. 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
  5. 5. d) 3x + 4y
  6. 6. 4
  7. 7. 3
  8. 8. 11