Fact families are numbers that are related. For example: 3, 5, and 8 form a fact family because they are related through addition and subtraction. There are four sentences or "facts" that go with these related numbers: 3+5=8; 5+3=8; 8-3=5; 8-5=3
Here are some ideas for learning addition fact families with games and manipulatives.
- Use giggle facts learning manipulatives (pictured)
- Play online game for practicing a range of fact families
- Make hexagon cards for practicing a range of fact families
- Build fact family houses (or ones with windows) for practicing a range of fact families
- Use dominoes to practice fact families
- Use stuffed animals to arrange fact families
- Use gym equipment and relay race to collect objects equalling designated sum
Specific fact family "partners". I like to work with all the fact families of one sum at one time. ( E.g. all the fact families with 3 as a sum are these: 0+3=3, 1+2=3, 2+1=3, 3+0=3, 3-0=3, 3-1=2, 3-2=1)
Here are games that focus on the pairs of numbers that equal one constant sum:
- 0 through 12 fact families - Domino parking lot
- 10 fact families - block ten solitaire or tens solitaire (or solitaire pyramid modified where cards equal ten instead of thirteen. All face cards equal ten.)
- 12 fact families - Dividing two different types of objects in different ways into the spaces in a dozen-sized egg carton, e.g. 2 candy corn + 10 jelly beans = full carton (12)
- 13 fact families - solitaire pyramid
- 14 fact families - re-arranging balls (can be used for fact families of any sum)
- 5 to 18 fact families - uses "partner pair" tubs
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