Solving Linear Equations and Word Problems

Mr. Richards reviews practice problems for grade six, unit six, lesson four. The video covers solving equations related to Kieran's and Claire's backpacks, Andre's notebooks, and various other mathematical problems. It includes using tape diagrams for visualization and calculating percentages. The lesson concludes with a summary of the methods used and their correctness.

What is the weight of Kieran's backpack if Claire's backpack weighs 14 pounds and Kieran's is 3 pounds less?

• 3 pounds

• 17 pounds

• 14 pounds

• 11 pounds

If each of Andre's notebooks contains 60 sheets and he has 5 notebooks, how many sheets does he have in total?

• 60

• 240

• 300

• 120

Solve for x: 2x = 5. What is the value of x?

• 1

• 10

• 5

• 2.5

What is the value of y if y + 1.8 = 14.7?

• 11.9

• 16.5

• 14.7

• 12.9

If 6 = 1/2 * Z, what is the value of Z?

• 1

• 3

• 6

• 12

Using a tape diagram, if 3x = 18, what is the value of x?

• 6

• 18

• 9

• 3

What is the value of T if 2.5T = 10?

• 10

• 2

• 5

• 4

If 3 + x = 18, what is the value of x?

• 3

• 15

• 21

• 18

What is the result of multiplying 21.2 by 0.02?

• 0.0424

• 42.4

• 4.24

• 0.424

How can you find 25% of 60 grams?

• Multiply by 1

• Multiply by 0.75

• Multiply by 0.5

• Multiply by 0.25