Solving 1-Step Equations with Fractions and Decimals

This video tutorial covers solving one-step equations involving fractions and decimals. It provides step-by-step instructions on using addition, subtraction, multiplication, and division to isolate variables. The tutorial emphasizes the importance of performing the same operation on both sides of the equation and offers guidance on using calculators for solving equations with fractions. The video concludes with a demonstration of checking solutions and instructions for homework.

What is the first step in solving any equation?

• Add the same number to both sides

• Multiply both sides by the same number

• Subtract the same number from both sides

• Draw a line down the equal sign

In the first equation, what operation is performed to isolate the variable X?

• Multiplying by 5.5

• Dividing by 5.5

• Subtracting 5.5

• Adding 5.5

What is the result of -39.1 - 5.5?

• -43.6

• -45.6

• -44.6

• -34.6

In the second equation, what is the opposite operation of dividing by -2.5?

• Adding -2.5

• Subtracting -2.5

• Multiplying by -2.5

• Dividing by 2.5

What is the result of -4.8 * -2.5?

• -12

• 12

• -10

• 10

In the third equation, what is the opposite operation of multiplying by -6.5?

• Subtracting -6.5

• Dividing by -6.5

• Adding -6.5

• Multiplying by 6.5

What is the result of 8.125 / -6.5?

• 1.5

• -1.25

• 1.25

• -1.5

How do you input fractions into a TI-30 calculator?

• Using the N over D button

• Using the fraction button

• Using the U and D buttons

• Using the ABC button

What is the result of -44 divided by 1/2?

• 88

• -22

• -88

• 22

In the last equation, what is the result of 0.75 + 6?

• 6.5

• 6.75

• 7

• 7.5