$Magic squares 3 by 3: use each number once: math puzzle for Grade 10, page 1 preview$

Math puzzle · Mathematics

Magic squares 3 by 3: use each number once · Grade 10

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 10 · ages 15 to 16
Medium
15 to 20 minutes
1 page
Free

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

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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 108
Magic sum 39
Magic sum −165
−53 −54
−59 −58 −57 −56 −55
−54 −53 −52 −51
Magic sum −144
−52 −51 −50 −49 −48
−47 −46 −45 −44

What your child practices

Your child practices math for Grade 10 with this math puzzle.

Grades and ages: Grade 10, ages 15 to 16
Time: About 15 to 20 minutes
Subject: Mathematics
Level: Medium for Grade 10
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 10, 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.