Fact Triangles and Arithmetic Operations

The video introduces fact triangles as a tool for practicing addition and subtraction. It explains how to use them by covering numbers to solve equations and encourages students to verbalize their thought process. The video also discusses organizing fact triangles into 'okay' and 'try again' piles to track progress. Fact triangles are presented as a modern twist on traditional flashcards, aiming to improve math skills through structured practice.

What are fact triangles primarily used for?

• To memorize historical dates

• To learn about shapes

• To practice basic arithmetic operations

• To teach geometry

How do you use a fact triangle to practice addition?

• Cover one number and subtract the other

• Cover the sum and multiply the two visible numbers

• Cover one number and divide the other

• Cover the sum and add the two visible numbers

What is a fact family in addition?

• A collection of multiplication facts

• A group of numbers that can be added in any order

• A series of numbers that form a sequence

• A set of related addition and subtraction facts

When using a fact triangle for subtraction, what should you do?

• Subtract the smaller number from the larger number

• Multiply the two numbers

• Subtract the larger number from the smaller number

• Add the two numbers together

Which of the following is a complete fact family for the numbers 9, 7, and 16?

• 9 + 7 = 16, 7 + 9 = 16, 16 - 7 = 7, 16 - 9 = 9

• 9 - 7 = 16, 7 - 9 = 16, 16 - 7 = 9, 16 - 9 = 7

• 9 + 7 = 16, 7 + 9 = 16, 16 + 7 = 9, 16 + 9 = 7

• 9 + 7 = 16, 7 + 9 = 16, 16 - 7 = 9, 16 - 9 = 7

What should you cover when practicing addition with fact triangles?

• Any number

• The number with the dot

• The smallest number

• The largest number

What is the purpose of sorting fact triangles into 'okay' and 'try again' piles?

• To organize them by color

• To categorize them by shape

• To separate them by difficulty

• To track progress and focus on challenging problems