Variables, Constants and Coefficients Worksheet for Grade 6 | Free Printable PDF
Variables, Constants and Coefficients Worksheet for Grade 6 | Free Printable PDF
  • Explain what a variable, a constant and a coefficient are
  • Identify the variable, coefficient and constant in an expression
  • Write simple expressions from words
  • Judge claims such as 3x versus x + 3
  • Use a letter for an unknown in a real situation

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Variables constants and coefficients worksheet preview for grade 6

This free printable PDF is a gentle first step into algebra for Grade 6. It teaches variables, constants and coefficients in order, then shows your child how to write a first expression. Print it and start with the letter, not the fear.

Why Do We Use Letters in Math?

We use a letter when a number is unknown or when it can change, so one short expression can stand for many different sums at once. Think of a letter as a box with a number inside it that we have not opened yet.

Most pages jump straight to drills. I never do. A child who does not know why the letter is there will guess at every step.

Once they see the box idea, the rest of the page feels fair.

What Is a Variable, a Constant and a Coefficient?

A variable is a letter that stands for a number that can change, a constant is a fixed number that stays the same, and a coefficient is the number multiplied by a variable, like the 3 in 3x every time.

I teach three traps out loud before any drill. First, 3x means 3 times x, never 3 plus x. Second, a letter does not always mean the same number.

Third, the coefficient is the number in front, not the fixed number at the end. Children who hear these traps once make them far less.

Inside This Worksheet

This is a 6-page printable PDF. It opens with first letters and builds to writing expressions from words, then asks children to take expressions apart again.

Section E includes a bus ticket problem: a ticket costs Rs. 85, and children write the cost of n tickets, then work out 4 tickets. Section G asks children to judge two claims: Hina writes "5 less than a number n" as 5 - n, and 3x versus x + 3.

The Challenging section is a Treasure Hunt where each clue is worth c points, with a bonus of 10 points, and children work out total points, compare c = 15 cases, and name the variable, coefficient and constant in Zara's expression.

Common Mistakes I Watch For

Reading "less than" backwards, so "5 less than n" becomes 5 - n instead of n - 5. Treating 3x as x + 3. Swapping the coefficient with the constant.

I drill "less than" with small numbers first: 5 less than 9 is 4, so 5 less than n is n - 5.

Try These Three Yourself

  1. In 7y + 4, name the coefficient and the constant. (Answer: coefficient 7, constant 4.)
  2. Write "8 more than a number p" as an expression. (Answer: p + 8.)
  3. Is "5 less than n" written as 5 - n? (Answer: No. It is n - 5.)

FAQ

Is this the right first algebra worksheet?

Yes. It starts with what a letter means before any drill.

My child thinks letters in math are scary. How does this help?

It treats a letter as a box holding a number we do not know yet. That picture takes the fear out of the first page.

Does it cover writing expressions from words?

Yes, and it pairs writing with taking expressions apart, so children learn both directions.

What is the hardest part?

"Less than" phrases, which read backwards. The worksheet judges claims like Hina's so children learn to spot the trap.

This worksheet aligns with Standard 6.EE.A.2. For more Grade 6 practice, visit the Grade 6 hub.

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