Exploring Related Equations and Fact Families in Pre-Algebra

What is another term used for related equations?

• Equation families

• Variable families

• Fact families

• Number families

Tags

CCSS.2.NBT.B.5

What is the first step in writing a related equation?

• Solve for the variable

• Add a new term

• Select the three different parts of the equation

• Change the numbers

Tags

CCSS.7.EE.B.4A

How do you write the related equation for 18 = 14 + 4?

• 4 = 18 + 14

• 14 = 18 - 4

• 14 = 18 + 4

• 18 = 14 - 4

Tags

CCSS.2.OA.C.3

What does the variable 'a' represent in the equation a + b = c?

• A fraction

• A letter that represents a number

• A product

• A constant

Tags

CCSS.6.EE.A.2B

In the equation D = R * T, what is the related equation for R?

• R = T / D

• R = D * T

• R = D + T

• R = D / T

Tags

CCSS.HSA.CED.A.4

If D = 6, R = 3, and T = 2, what is the related equation for T?

• T = 6 * 3

• T = 3 / 6

• T = 6 / 3

• T = 3 + 6

Tags

CCSS.6.EE.C.9

How would you write the related equation for 20 = 15 + 5?

• 15 = 20 + 5

• 5 = 20 - 15

• 5 = 20 + 15

• 20 = 15 - 5

Tags

CCSS.1.OA.B.3

What operation is used in related equations if the original equation involves multiplication?

• Multiplication

• Division

• Subtraction

• Addition

Tags

CCSS.HSA.REI.A.1

In the equation 60 = 4 * T, what is the related equation for T?

• T = 60 + 4

• T = 60 * 4

• T = 60 / 4

• T = 4 / 60

Tags

CCSS.HSA.CED.A.4

How would you write the related equation for 17 = 14 / e?

• e = 14 + 17

• e = 17 / 14

• e = 14 / 17

• e = 14 * 17

Tags

CCSS.7.RP.A.2C