For teachers and parents
Cryptography guide PDF — Codes and ciphers, Anyone ready for it, 24 chapters, 409 pages, answer key included, PDF
Cryptography guide PDF for anyone ready for it: a hands-on path from the Caesar wheel to the padlock in your browser — 24 chapters, ten household labs, and a full answer key. 409 pages (6 × 9 in). Format: PDF download.
What’s inside
- Grade band
- Anyone ready for it
- Format
- PDF download (6 × 9 in)
- Pages
- 409
- 24 chapters · ten household labs · full answer key
Free math placemats
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