Understanding One-Step Equations with Decimals and Fractions

What is the inverse operation used to isolate the variable in an equation involving subtraction?

• Subtraction

• Addition

• Division

• Multiplication

Tags

CCSS.6.EE.B.7

In the equation x - 5.7 = 10.9, what operation do we perform to both sides to solve for x?

• Add 5.7

• Subtract 5.7

• Divide by 5.7

• Multiply by 5.7

Tags

CCSS.6.EE.B.7

When aligning decimals, the numbers in which place should be directly under each other?

• Tenths place

• Thousandths place

• Hundredths place

• Ones place

Tags

CCSS.5.NBT.B.7

What does aligning decimals help with in solving equations?

• Ensuring correct addition

• Ensuring correct subtraction

• Both A and B

• None of the above

Tags

CCSS.5.NBT.B.7

What happens to the zero when adding it to a variable (x + 0)?

• It is multiplied

• It remains

• It drops off

• It is subtracted

Tags

CCSS.7.EE.A.1

What is the result of adding 5.7 to 10.9?

• 15.6

• 16.6

• 17.6

• 16.4

Tags

CCSS.6.NS.B.3

How do you verify the solution of a one-step equation?

• Divide both sides by the solution

• Add the solution to both sides of the equation

• Substitute the variable with the solution in the original equation

• Multiply both sides by the solution

Tags

CCSS.6.EE.B.5

What is the inverse operation of adding 1/7 to both sides of an equation?

• Dividing by 1/7

• Adding 1/7

• Multiplying by 1/7

• Subtracting 1/7

Tags

CCSS.HSA.REI.A.1

If n + 1/7 = 5/7, what is the value of n?

• 4/7

• 6/7

• 3/7

• 5/7

Tags

CCSS.4.NF.B.3A

After solving n + 1/7 = 5/7, how do we check if n = 4/7 is correct?

• Substitute n with 4/7 in the equation

• Multiply both sides by 4/7

• Divide both sides by 4/7

• Add 4/7 to both sides of the equation

Tags

CCSS.6.EE.B.5