Word Problems and Algebraic Expressions

The video tutorial covers several mathematical problems and concepts. It begins with estimating the weight of six apples based on given data. Next, it explores which stories can be represented by a tape diagram. Andre's savings plan is analyzed to determine how much he earns weekly after donations. The tutorial then compares expressions to find the greatest value and concludes with solving equations involving negative numbers.

If two apples weigh 511 grams, what is the estimated weight of six apples?

• 2555 grams

• 1022 grams

• 1533 grams

• 2044 grams

Which story can be represented by a tape diagram where 87 items are divided after removing 39?

• 87 children and 39 adults at a show

• 87 spent on tickets and a 39 dinner

• 87 first graders with 39 picked up

• 87 pencils with 39 given to a teacher

Which of the following is a correct representation of a tape diagram story?

• 87 spent on tickets and a 39 dinner

• 87 first graders with 39 picked up

• 87 pencils with 39 given to a teacher

• 87 children and 39 adults at a show

How much does Andre earn each week if he saves $40 in five weeks after donating $2 weekly?

• $12

• $10

• $8

• $6

What does the negative two represent in Andre's savings plan?

• The amount he saves each week

• The amount he earns each week

• The total amount he wants to save

• The amount he donates to the food bank

Which expression has the greatest value?

• A negative times a positive

• 7 and 5/6 minus 9 and 3/4

• A negative plus a negative

• A negative divided by a negative

What is the result of 8.5 times negative 3?

• -25.5

• 8.5

• 25.5

• -8.5

Solve for b: -7 + b = -11.

• 18

• -18

• 4

• -4

What is c if c minus a negative 3 equals 15?

• 15

• 18

• 12

• 9

If d times -4 equals 32, what is the value of d?

• 8

• -32

• -8

• 32