







A fact family containing 4, 4 and 16 
20141014 

From Leslie: I am helping my son and the question is 4,4,16 in fact family what does that mean Answered by Penny Nom. 





Fact families 
20090824 

From Camasha: I am trying to help my daughter with fact families. I understand the premise from your previous explanation on the site . Generally when applying addition and subtraction their are two add and two subtraction utilizing all three numbers. However what do you do when you have a series like like 9, 9, 18 Answered by Penny Nom. 





Fact families with 4 facts 
20081201 

From Shazia: Question from Shazia, a parent:
When does a fact family not have 4 related facts? Give an example. Answered by Harley Weston. 





Fact families with fractions 
20070110 

From Joe: I am trying to help my son with a math problem dealing with fact families and fractions. The question only gives 2 numbers 1/16 + 1/12 and 5/4  4/5. Can you help me understand how fact families work with fractions? Answered by Penny Nom. 





A two equation fact family 
20041217 

From Tony and Hailey: My Daughter Hailey had this question as part of her 4th grade math homework. Name 2 fact families that have only two equations. For the life of me I can't figure it out. Any ideas? Answered by Penny Nom. 





What is a Fact Family? 
20040113 

From Keisha: I am helping my child with his homework. The worksheet we are trying to do ask the child to choose a number from inside of a circle and then one from inside of a triangle and use the number to build a fact family. The title of the worksheet is "Building a Fact Family House". I noticed that Silver Burdett Ginn,Inc. was the publisher of the book the worksheet came from so I was on the website trying to find an answer to my question. My question is "What is a Fact Family?" Answered by Judi McDonald. 

