Home Favorites My Account Menu
Advertisement

Fact Families (Addition & Subtraction) - One atta Time

Reset Score Skip Problem
Customize
Keypad >
Generate Results Printout
Correct 0 +1 Incorrect 0 +1 Score 0
Waiting on your teacher to grade.
COMPLETE!
Correct!
Incorrect
Assignment Complete
Determine which letter best represents the missing fact from the fact family.
20 + 70 = 90
70 + 20 = 90
90 - 20 = 70
Check Answer ✔ Submit
×
Facts
Changes here will reset your score
I understand
Save
×
Name
Advertisement