Make Ten Addition Strategy Worksheets are a no-prep way to help your 1st grade students practice addition within 20 using the make-ten strategy. This printable math resource gives students clear, structured practice with number partners for 10, decomposing addends, strategy frames, flashcards, math center cards, exit tickets, and a final assessment. WHAT'S INCLUDED - Color PDF version - Ink-friendly PDF version - Teacher guide with suggested lesson flow - Standards and teaching notes - Terms of