120 printable number puzzles, easy to hard, answers included
Three kinds of original number puzzle in one levelled book. Target puzzles ask students to reach a number from six given numbers. Cage Grids are Latin-square logic puzzles with + - x / cage clues, each checked by a solver to have exactly one solution. Brick Pyramids build up sums and, at the hard level, need early algebra. Every answer is in the key. Try a Cage Grid in your browser and download an 18-puzzle sampler before you buy.
From the book's puzzles.json, Sumbloom Puzzle Book Vol. 1 v1.0.0
| # | Kind | Level | Puzzle |
|---|---|---|---|
| 1 | Target | Easy | 4 5 6 9 9 20 → 99 |
| 31 | Cage Grid 4×4 | Easy | 10 cages, one solution |
| 51 | Cage Grid 5×5 | Medium | one solution |
| 71 | Cage Grid 6×6 | Hard | one solution |
| 111 | Brick Pyramid | Hard | 5 givens, algebra needed |
Source: Sumbloom Puzzle Book v1.0.0 puzzles.json (generated by products/sumbloom-book/src/engines.py; 120 puzzles re-solved by products/sumbloom-book/tests/book_test.py; rows in products/sumbloom-book/store/listing.json).
Sumbloom Puzzle Book vs the alternatives
Published prices, each checked on the date shown; prices change, so confirm on each site.
| Product | Price | Free | Checked |
|---|---|---|---|
| Sumbloom Puzzle Book | $5 (home + one classroom); $19 school licence | 18-puzzle sampler PDF and a playable puzzle | live |
| Calcudoku Level 4 4x4: 300 KenKen/MathDoku worksheets (Mentors Learning Press, TPT) | $2.99 | 2026-10-10 | |
| KenKen Logic Puzzles-Mathadoku Print&Go (Math Made Beautiful, TPT) | $12.00 (marked down from $15.00) | 2026-10-10 |
Why teams pick Sumbloom Puzzle Book
- Three puzzle kinds in one book (arithmetic, logic and early algebra), levelled easy, medium and hard.
- Every Cage Grid is solver-checked to have exactly one solution; every answer is in the key.
- About 4 cents a puzzle, with copies for one teacher's classroom every year.
- Try before you buy: a playable Cage Grid in the browser and 18 free puzzles with answers.
- Honest limit: not the cheapest per puzzle; a single-kind 300-puzzle pack costs less.
How it works
- Play a Cage Grid in the browser and print the free 18-puzzle sampler.
- Buy the book and print the pages you need (Letter or A4).
- Hand out by level; check with the answer key.
FAQ
Why not a 300-puzzle KenKen-style pack?
Packs like the $2.99 300-puzzle Calcudoku set are cheaper per puzzle but cover one kind at one size. Sumbloom mixes three puzzle kinds from 4x4 to 6x6 grids and early algebra, levelled easy to hard, for $5.
What grades is it for?
Mostly grades 3-8: easy Target and 4x4 puzzles for younger students, 6x6 grids and hard pyramids for older ones and adults.
Can I copy it for my class?
Yes: one teacher may copy it for their own students every year. The $19 school licence covers all teachers at one school.
Is there an answer key?
Yes, for all 120 puzzles.