Grade 6 Math · Algebra

Monomials and evaluating algebraic expressions

Add monomials of degree 1, and evaluate algebraic expressions with whole numbers and decimal tenths. Unlimited questions, five difficulty levels, and a full worked solution every time — free.

Practice this skill Curriculum: G6-C2.1, G6-C2.2

Try one

Add the monomials.

9m + 9m + 2m

Answer: 20m

See one solved, step by step

Evaluate the expression when n = 4.

3n + 9
📘 Worked solution
13n + 9 = 3 · 4 + 9Replace n with 4.
2= 12 + 9 = 21Multiply first, then add.

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