Exploring 3.OA.6 Concepts

The video tutorial explains how to transform division problems into unknown factor problems by using inverse operations and fact families. It demonstrates how multiplication and division are related, and how to use fact family triangles to solve for unknowns. The tutorial also emphasizes the importance of understanding the equal sign as a symbol of equivalence in mathematical equations.

What is the result of dividing 18 by 2?

• 7 pairs

• 10 pairs

• 8 pairs

• 9 pairs

What is the product of 9 and 2?

• 20

• 11

• 18

• 17

What operation is the inverse of division?

• Multiplication

• Square root

• Addition

• Subtraction

In a fact family consisting of 18, 2, and 9, which two operations can be used?

• Addition and subtraction

• Multiplication and division

• Square and square root

• Logarithm and exponentiation

How many multiplication sentences can be formed from a fact family of 18, 2, and 9?

• One

• Two

• Three

• Four

If 15 is divided by 3, what is the quotient?

• 3

• 6

• 5

• 4

What does the equal sign signify in mathematical operations?

• The sum of two numbers

• The two sides are identical in value

• The difference between two numbers

• The division of two numbers

What is the missing factor if 4 times a number equals 32?

• 9

• 8

• 6

• 7

In a division problem turned into an unknown factor problem, what does the unknown factor represent?

• The remainder

• The divisor

• The dividend

• The quotient

What is the missing number in the division problem 18 divided by what equals 6?

• 2

• 5

• 3

• 4