Balancing Equations and Word Problems

Front

What is a balanced equation?

Back

A balanced equation has the same number of atoms of each element on both sides of the equation, indicating that mass is conserved in a chemical reaction.

Front

What does it mean to solve for a variable in an equation?

Back

Solving for a variable means finding the value of that variable that makes the equation true.

Tags

CCSS.6.EE.B.7

Front

What is the equation for finding the weight of identical boxes if their total weight is known?

Back

Tags

CCSS.HSA.CED.A.3

Front

How do you represent a word problem as an equation?

Back

Identify the unknown, assign a variable, and translate the words into a mathematical expression or equation.

Front

Back

Tags

CCSS.6.EE.B.7

Front

How do you write an equation for a situation where a certain number is decreased by a specific amount?

Back

Tags

CCSS.HSA.CED.A.3

Front

What does it mean if an equation has infinitely many solutions?

Back

It means that there are countless values for the variable that satisfy the equation, often due to the equation being an identity.

Tags

CCSS.8.EE.C.7A

Front

How can you check if an equation is balanced?

Back

Count the number of atoms of each element on both sides of the equation; they must be equal for the equation to be balanced.

Front

What is the first step in solving a linear equation?

Back

The first step is to isolate the variable on one side of the equation.

Tags

CCSS.7.EE.B.4A

Front

What is the equation for the total weight of boxes if each box weighs x and there are n boxes?

Back

Tags

CCSS.6.EE.B.6