Fact Triangle Addition and Subtraction

This video tutorial introduces the concept of fact triangles, which are used to practice addition and subtraction within fact families. The video explains the components of a fact triangle, including the addends and the sum, referred to as the 'Big Daddy.' It demonstrates how to use fact triangles to solve addition and subtraction problems, emphasizing the importance of starting with the largest number for subtraction. The tutorial includes examples with different numbers to reinforce the learning process.

What is the main purpose of using fact triangles?

• To practice addition and subtraction

• To memorize multiplication tables

• To learn about geometry

• To practice multiplication and division

In a fact triangle, what are the two numbers at the bottom corners called?

• Divisors

• Multiples

• Factors

• Addends

What is the term used for the largest number in a fact triangle?

• Big Chief

• Big Brother

• Big Daddy

• Big Boss

What is the sum of the numbers 4 and 5 in a fact triangle?

• 10

• 11

• 9

• 8

What is the result of flipping the addends 4 and 5 in the fact triangle?

• 4 + 5 = 9

• 4 + 5 = 10

• 5 + 4 = 10

• 5 + 4 = 9

In a fact triangle, which number do subtraction facts always start with?

• The smallest number

• The middle number

• The Big Daddy

• Any number

What is the result of 9 minus 4 in the fact triangle example?

• 6

• 3

• 4

• 5

What is the largest number in the new fact triangle introduced?

• 12

• 11

• 10

• 9

What is the sum of 5 and 6 in the new fact triangle?

• 11

• 10

• 13

• 12

What should you do to practice addition with a fact triangle?

• Cover both addends

• Cover the smallest number

• Cover the largest number

• Cover one of the addends