$Magic squares 3 by 3: use each number once: math puzzle for Grade 9, page 1 preview$

Math puzzle · Logic & Puzzles

Magic squares 3 by 3: use each number once · Grade 9

Fill the empty cells so every row, column and diagonal adds up to the magic sum. A number bank lists the numbers to use once each, so the squares need logic as well as adding.

Grade 9 · ages 14 to 15
Medium
10 to 15 minutes
1 page
Free

The answer key is a separate page for grown-ups. Sign in to download it.

Make another one like this

What the sheet says

Directions: Fill the empty squares using each number in the bank once. Every row, column and both diagonals must add to the magic sum.

How it works 2 7 6
2 + 7 + 6 = 15, and so does every other row, column and diagonal.
Magic sum 120
Magic sum 51
−23 −13 −3 7 17

What your child practices

Your child practices logic and puzzles for Grade 9 with this math puzzle.

Grades and ages: Grade 9, ages 14 to 15
Time: About 10 to 15 minutes
Subject: Logic & Puzzles
Level: Medium for Grade 9
Answer key: Yes, for grown-ups who sign in
Printing: 1 page, US Letter or A4, low-ink option
Updated: October 15, 2026

How to use it

Read the rules at the top together and try the first step side by side. Use a pencil so mistakes rub out easily, and check every answer at the end. It is pitched at the expected level for Grade 9, for practice after the topic has been taught.

An answer key comes with it as a separate page that grown-ups download after signing in.

Tip for grown-ups: Solve the worked example at the top together first, then let your child try the rest.

Done on paper? A grown-up can record it on the child's page in PlayOwl; downloading alone doesn't count as finished.