Missing Addends & Fact Families Math Unit
Category: Education / Math Worksheets
A 116-page first grade math unit: missing addends, turn-around facts, fact families, true or false equations and word problems, with centers, tests and answer keys.
Watch the "aha!" moment happen: children find the hiding number, flip facts around, build fact families and learn what the equal sign really means, one friendly animal helper at a time.
WHAT'S INCLUDED
• 1 ZIP download with 5 PDF files
• FULL COLOR, US Letter size, 116 pages
• FULL COLOR, A4 size, 116 pages
• INK SAVER (black and white), US Letter size, 116 pages
• INK SAVER (black and white), A4 size, 116 pages
• Print Guide, 3 pages (which file to use, how to print, page finder, math words explained)
5 SKILLS IN ONE UNIT
• Missing addends (6 + ? = 9)
• Turn-around facts, the commutative property (3 + 5 = 5 + 3)
• Fact families (2 addition and 2 subtraction facts)
• True or false equations and the meaning of the equal sign
• Word problems with a missing number (start, change and compare stories)
EVERY SKILL HAS THE SAME 16 PAGES
• I Can poster with an example and math words
• Let's Learn page: a worked example in 3 steps + 2 "Your turn" problems
• 6 leveled worksheets: 1 star (numbers to 10 with ten frames, dominoes, pictures), 2 stars (numbers to 20), 3 stars (challenge)
• Cut and paste page
• Bonus activity: color by code, Roll and Flip dice game, true path maze or write your own story
• Hands-on center: 24 cards, directions or sort mat, and a recording sheet
• 4 exit tickets and a quick check
ALSO INSIDE
• 20-day unit plan and teaching tips (what to say, common mistakes)
• Pre-check and 3 versions of the unit test (2 pages each), great for retests
• Answer keys for every page with answers (4 small pages on each key page)
• 8 math word wall cards and a part-part-whole poster
• Class tracker, student "I can" goal page and a certificate
PERFECT FOR
• 1st grade classrooms, and 2nd grade review or intervention
• Math centers, small groups and RTI
• Homeschool and tutoring
• Morning work, homework and early finishers
HOW TO USE
• Follow the 20-day plan, or teach one skill at a time
• Give each child the star level that fits
• Use the exit tickets and quick checks to plan small groups
• Print centers once on card stock and use them every year
HOW TO PRINT
• Choose US Letter or A4 to match your paper
• Print at "Actual size" or "100%" (not "Fit") so the cards stay the right size
• Normal copy paper (20 lb / 75-80 gsm) for worksheets; card stock for posters, cards and mats
• Use the INK SAVER file for photocopying class sets
PLEASE NOTE
• This is a digital download. Nothing will be shipped.
• Colors may look slightly different on screen and on paper.
• For use by one teacher with their own students, or one family. Please do not share, resell or upload the files.
• The activities and page designs were created with the help of AI tools and computer code, then checked; every answer is calculated by code. All illustrations are original and drawn with code (no AI images).
• Standard codes refer to the Common Core State Standards (© 2010 NGA Center and CCSSO). This product is not affiliated with or endorsed by NGA Center or CCSSO.
Questions before you buy? Send me a message, I am happy to help!