Mathematical Operations and Word Problems

Mr. Richards reviews practice problems for grade six, focusing on graphing related quantities, calculating calories from servings, determining sale prices with discounts, evaluating mathematical expressions, and solving multiplication and division problems. The video includes practical examples and equations to illustrate these concepts.

What is the equation that represents the relationship between the number of batches of brownies and the cups of sugar required?

• s = X - 1

• s = X + 1

• s = 1/2X

• s = 2X

If each serving of a fruit snack contains 90 calories, how many calories are in 3 servings?

• 360 calories

• 90 calories

• 270 calories

• 180 calories

During a 20% off sale, what percentage of the original price does Kieran pay?

• 60%

• 70%

• 90%

• 80%

What is the sale price of a $5 book during a 20% off sale?

• $5.00

• $4.50

• $3.50

• $4.00

Evaluate the expression 6 - 4^3 + 6 when X is 4 and Y is 6.

• 14

• 16

• 10

• 12

What is the result of 2^4 - 2 * 6?

• 4

• 8

• 16

• 12

Calculate 12.34 times 0.7.

• 8.538

• 8.738

• 8.638

• 8.438

What is the quotient of 3200 divided by 5?

• 640

• 660

• 600

• 620

How many times does 2 go into 1215?

• 605.5

• 610.5

• 607.5

• 615.5

What is the result of dividing 137.5 by 11?

• 14.5

• 13.5

• 11.5

• 12.5