This worksheet bundle builds on basic addition skills by helping students confidently add 1 to numbers 0 through 21. It’s perfect for students ready to work with double-digit math in a friendly, traceable format. ✍️ Trace each answer to reinforce number formation ➕ Practice the “count on” strategy for mental math ✍️ Build math fluency and handwriting at the same time ✅ Skills Covered• Addition within 20 • Number recognition and writing • Mental math (adding 1) • Fine motor development • Buildi