Quick Answer: The Write and Wipe Fact Family Boards are a set of 5 triangle boards with a write and wipe surface, covering addition and subtraction on the front and multiplication and division on the back.
Last updated: October 2026
Key Features
Set of 5 triangle boards
Write and wipe surface on both sides
Front: addition and subtraction; reverse: multiplication and division
Fact triangles can be used again and again
Builds number fact fluency and fact families
Technical Specifications
Specification
Value
Set
5 boards
Shape
Triangle
Surface
Write and wipe, both sides
Front
Addition and subtraction
Reverse
Multiplication and division
About This Product
Fact triangles show how a group of numbers belongs together, so one board gives an addition fact with its matching subtraction facts, or the related multiplication and division facts. This leads on to equation building, the commutative property and problem solving. Schools, colleges and institutes in Niger, Kazakhstan, Turkmenistan, Djibouti and Brazil can order the Write and Wipe Fact Family Boards from Educational Instrument.
Frequently Asked Questions
What operations do the Write and Wipe Fact Family Boards cover?
The front of each board covers addition and subtraction, and the reverse covers multiplication and division.