IM: 7.5.5: Representing Subtraction (Practice) - Formative Staff | Library

Write each subtraction equation as an addition equation.

1

a - 9 = 6

1

p - 20 = -30

1

z - (-12) = 15

1

x - (-7) = -10

Find each difference. If you get stuck, consider drawing a number line diagram.

1

A restaurant bill is $59 and you pay $72. What percentage gratuity did you pay?

Find the solution to each equation mentally.

1

30 + a = 40

1

500 + b = 200

1

-1 + c = -2

1

One kilogram is 2.2 pounds. Complete the tables. What is the interpretation of the constant of proportionality in each case?

1

Complete the table. What is the interpretation of the constant of proportionality?

1

Complete the table. What is the interpretation of the constant of proportionality?

IM: 7.5.5: Representing Subtraction (Practice)

IM: 7.5.5: Representing Subtraction (Practice)

a - 9 = 6

p - 20 = -30

z - (-12) = 15

x - (-7) = -10

A restaurant bill is $59 and you pay $72. What percentage gratuity did you pay?

30 + a = 40

500 + b = 200

-1 + c = -2

Complete the table. What is the interpretation of the constant of proportionality?

Complete the table. What is the interpretation of the constant of proportionality?

a - 9 = 6

p - 20 = -30

z - (-12) = 15

x - (-7) = -10

9 - 4

4 - 9

9 - (-4)

-9 - (-4)

-9 - 4

4 - (-9)

-4 - (-9)

-4 - 9

A restaurant bill is $59 and you pay $72. What percentage gratuity did you pay?

30 + a = 40

500 + b = 200

-1 + c = -2

d + 3,567 = 0

Complete the table. What is the interpretation of the constant of proportionality?

Complete the table. What is the interpretation of the constant of proportionality?

4 - 9

9 - (-4)

-9 - (-4)

-9 - 4

4 - (-9)

-4 - (-9)

-4 - 9

d + 3,567 = 0