Finding Unknown Numbers in Division Equations

What does the equal sign in an equation signify?

• Both sides have the same value

• The right side is greater than the left side

• The equation is unbalanced

• The left side is greater than the right side

Why is understanding the concept of balance important in mathematics?

• To graph equations accurately

• To calculate the area of shapes

• To understand the equality of equations

• To perform addition correctly

What mistake do people often make regarding the equal sign in division equations?

• Thinking it means subtraction

• Misinterpreting it as indicating the parts are equal

• Believing it indicates multiplication

• Assuming it suggests inequality

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

What are the components of a fact family in division and multiplication?

• Two division and two multiplication equations

• Three division equations

• Two multiplication equations only

• One division and one multiplication equation

Tags

CCSS.3.OA.C.7

What does the whole divided by a part equal in a fact family?

• The sum of the parts

• The difference between the parts

• The product of the parts

• The other part

Tags

CCSS.4.NBT.B.6

What is the role of the division sign in determining the whole and parts in an equation?

• It separates the whole from the parts

• It has no specific role

• It indicates which side of the equation is the whole

• It always points to the larger number

Tags

CCSS.3.OA.A.2

How do you find the unknown whole in a division equation?

• By adding the parts

• By subtracting one part from the other

• By dividing the parts

• By multiplying the parts

Tags

CCSS.4.NBT.B.6

In the equation something divided by 9.3 equals 2.7, what is the 'something'?

• The sum of 9.3 and 2.7

• The product of 9.3 and 2.7

• The quotient of 9.3 and 2.7

• The difference between 9.3 and 2.7

Tags

CCSS.5.NBT.B.7

What is the first step in dividing a fraction by a non-whole number?

• Add the numerator to the denominator

• Divide the numerator by the denominator

• Multiply both the numerator and denominator by 10

• Subtract the denominator from the numerator

How do you convert a division problem with a decimal to use whole numbers?

• By dividing both numbers by 10

• By adding 10 to both numbers

• By multiplying both numbers by 10

• By subtracting 10 from both numbers

Tags

CCSS.5.NBT.B.7