Operations w/Positive and Negative Numbers (Week 8)

1

Last week, the price, in dollars, of a gallon of gasoline was g . This week, the price of gasoline per gallon increased by 5%.

Which expressions represent this week's price, in dollars, of a gallon of gasoline? Select all that apply.

…

1

Add.

-9.2 + 4.4

…

1

Add.

-81.4 + (-12)

…

1

Tyler orders a meal that costs $15.

If the tax rate is 6.6%, how much will the sales tax be on Tyler’s meal?

1

How much higher is 500 than -400 m?

1

What is the change in elevation between 8,500 m and -300 m?

1

The diameter of a bike wheel is 27 inches. If the wheel makes 15 complete rotations.

How far does the bike travel? (Round to the nearest whole number)

…

1

The numbers are measurements of radius, diameter, and circumference of circles A and B. Circle A is smaller than Circle B.

Which number belongs to which quantity? 2.5, 5, 7.6, 15.2, 15.7, 47.7

…

1

Triangle S and Triangle L are scaled copies of one another.
What is the scale factor from S to L?

1

Triangle S and Triangle L are scaled copies of one another.
What is the scale factor from L to S?

1

Decide whether or not each equation represents a proportional relationship.

…

1

Last week, it rained g inches. This week, the amount of rain decreased by 5%.

Which expressions represent the amount of rain that fell this week? Select all that apply.

…

1

Add.

…

1

Add.

…

1

Match each diagram with a description and an equation.

1

Write the following equation as an addition equation.(please submit your answer in a= form)

a - 9 = 6

…

1

Solve the equation from #16

1

Write the following equation as an addition equation.(please submit your answer in a= form)

a -(-12) = 15

…

1

Solve the equation from #18

1

Write the following equation as an addition equation.(please submit your answer in a= form)

a -20 = -30

…

1

Solve the equation from #20

1

Find each difference.

…

Operations w/Positive and Negative Numbers (Week 8)

Last week, the price, in dollars, of a gallon of gasoline was g . This week, the price of gasoline per gallon increased by 5%. Which expressions represent this week's price, in dollars, of a gallon of gasoline? Select all that apply.

Add.-9.2 + 4.4

Add.-81.4 + (-12)

Tyler orders a meal that costs $15.If the tax rate is 6.6%, how much will the sales tax be on Tyler’s meal?

How much higher is 500 than -400 m?

What is the change in elevation between 8,500 m and -300 m?

The diameter of a bike wheel is 27 inches. If the wheel makes 15 complete rotations. How far does the bike travel? (Round to the nearest whole number)

The numbers are measurements of radius, diameter, and circumference of circles A and B. Circle A is smaller than Circle B. Which number belongs to which quantity? 2.5, 5, 7.6, 15.2, 15.7, 47.7

Triangle S and Triangle L are scaled copies of one another.What is the scale factor from S to L?

Triangle S and Triangle L are scaled copies of one another.What is the scale factor from L to S?

Decide whether or not each equation represents a proportional relationship.

Last week, it rained g inches. This week, the amount of rain decreased by 5%. Which expressions represent the amount of rain that fell this week? Select all that apply.

Add.

Add.

Match each diagram with a description and an equation.

Write the following equation as an addition equation.(please submit your answer in a= form)a - 9 = 6

Solve the equation from #16

Write the following equation as an addition equation.(please submit your answer in a= form)a -(-12) = 15

Solve the equation from #18

Write the following equation as an addition equation.(please submit your answer in a= form)a -20 = -30

Solve the equation from #20

Find each difference.

Last week, the price, in dollars, of a gallon of gasoline was g . This week, the price of gasoline per gallon increased by 5%. Which expressions represent this week's price, in dollars, of a gallon of gasoline? Select all that apply.

Add.-9.2 + 4.4

Add.-81.4 + (-12)

Tyler orders a meal that costs $15.If the tax rate is 6.6%, how much will the sales tax be on Tyler’s meal?

How much higher is 500 than -400 m?

What is the change in elevation between 8,500 m and -300 m?

The diameter of a bike wheel is 27 inches. If the wheel makes 15 complete rotations. How far does the bike travel? (Round to the nearest whole number)

The numbers are measurements of radius, diameter, and circumference of circles A and B. Circle A is smaller than Circle B. Which number belongs to which quantity? 2.5, 5, 7.6, 15.2, 15.7, 47.7

Triangle S and Triangle L are scaled copies of one another.What is the scale factor from S to L?

Triangle S and Triangle L are scaled copies of one another.What is the scale factor from L to S?

Decide whether or not each equation represents a proportional relationship.

Last week, it rained g inches. This week, the amount of rain decreased by 5%. Which expressions represent the amount of rain that fell this week? Select all that apply.

Add.

Add.

Match each diagram with a description and an equation.

Write the following equation as an addition equation.(please submit your answer in a= form)a - 9 = 6

Solve the equation from #16

Write the following equation as an addition equation.(please submit your answer in a= form)a -(-12) = 15

Solve the equation from #18

Write the following equation as an addition equation.(please submit your answer in a= form)a -20 = -30

Solve the equation from #20

Find each difference.

Last week, the price, in dollars, of a gallon of gasoline was g . This week, the price of gasoline per gallon increased by 5%.

Which expressions represent this week's price, in dollars, of a gallon of gasoline? Select all that apply.

Add.

-9.2 + 4.4

Add.

-81.4 + (-12)

Tyler orders a meal that costs $15.

If the tax rate is 6.6%, how much will the sales tax be on Tyler’s meal?

The diameter of a bike wheel is 27 inches. If the wheel makes 15 complete rotations.

How far does the bike travel? (Round to the nearest whole number)

The numbers are measurements of radius, diameter, and circumference of circles A and B. Circle A is smaller than Circle B.

Which number belongs to which quantity? 2.5, 5, 7.6, 15.2, 15.7, 47.7

Triangle S and Triangle L are scaled copies of one another.
What is the scale factor from S to L?

Triangle S and Triangle L are scaled copies of one another.
What is the scale factor from L to S?

Last week, it rained g inches. This week, the amount of rain decreased by 5%.

Which expressions represent the amount of rain that fell this week? Select all that apply.

Write the following equation as an addition equation.(please submit your answer in a= form)

a - 9 = 6

Write the following equation as an addition equation.(please submit your answer in a= form)

a -(-12) = 15

Write the following equation as an addition equation.(please submit your answer in a= form)

a -20 = -30

Last week, the price, in dollars, of a gallon of gasoline was g . This week, the price of gasoline per gallon increased by 5%.

Which expressions represent this week's price, in dollars, of a gallon of gasoline? Select all that apply.

Add.

-9.2 + 4.4

Add.

-81.4 + (-12)

Tyler orders a meal that costs $15.

If the tax rate is 6.6%, how much will the sales tax be on Tyler’s meal?

The diameter of a bike wheel is 27 inches. If the wheel makes 15 complete rotations.

How far does the bike travel? (Round to the nearest whole number)

The numbers are measurements of radius, diameter, and circumference of circles A and B. Circle A is smaller than Circle B.

Which number belongs to which quantity? 2.5, 5, 7.6, 15.2, 15.7, 47.7

Triangle S and Triangle L are scaled copies of one another.
What is the scale factor from S to L?

Triangle S and Triangle L are scaled copies of one another.
What is the scale factor from L to S?

Last week, it rained g inches. This week, the amount of rain decreased by 5%.

Which expressions represent the amount of rain that fell this week? Select all that apply.

Write the following equation as an addition equation.(please submit your answer in a= form)

a - 9 = 6

Write the following equation as an addition equation.(please submit your answer in a= form)

a -(-12) = 15

Write the following equation as an addition equation.(please submit your answer in a= form)

a -20 = -30