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Grid Sum Level 1 Easy maths puzzle involving algebra, column, expressions and grid

Grid Sum – Level 1 – Easy

Home » Puzzles » Grid Sum » Level 1 - Easy » Grid Sum – Level 1 – Easy
Topics: algebra, column, expressions, grid, linear equations, row

Each row and column must add up to the totals shown – but all the values are algebra expressions. Work out the value of x, then fill in the grid using each expression once.

Available Expressions (use each exactly once):
  1. x²
  2. x² - x + 1
  3. x² - x
  4. x² + 1
  5. x
  6. x + 1
  7. x - 2
  8. x + 2
  9. x - 1

Example Grid:
22 15 10
14
x² - x + 1
—
—
18
—
x - 1
x² - x
15
—
—
x - 2

Your Workings For Grid Sum

Enter your working out in this box:

Then insert your suggested answers in the grid below:

22
15
10
14
x² - x + 1
18
x - 1
x² - x
15
x - 2

Reveal the Answer

Reveal Answer
Additional instructions for Grid Sum (Level 1, Easy)

Grid Sum – Easy

Visual strategy: lightly pencil in candidate values only when you are confident — avoid guessing.

  • Identify the “almost complete” row/column.
  • Calculate the missing value.
  • Recalculate the crossing total to confirm.

Finish: once the grid is full, re-add every row and column to confirm perfection.

Full help: Grid Sum

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