Equations

Addition Equations

100

Solve the equation for x

x + 7 = 16

x = 9

200

Solve the equation for x

17.5 + x = 90

x = 72.5

300

Write an equation for the following sentence:

the sum of thirteen and x is fifty two.

x + 13 = 52

400

Write an equation and solve for the following sentence:

The sum of twelve and three fourths and x is seventeen.

12.75 + x = 17

x = 4.25

Subtraction Equations

100

Solve the following equation for x

x - 10 = 27

x = 37

200

Solve this equation for x:

x - 6.5 = 11

x = 17.5

300

Write an equation for the following sentence:

The difference between x and thirty nine is four

x - 39 = 4

400

Write an equation and solve for the following sentence:

The difference between x and nine and three fourths is fourteen and a half.

x - 9.75 = 14.5

x = 24.25

Division Equations

100

Solve the following equation for x.

x/3 = 9

x = 27

200

Solve this equation for x:

x/4.5 = 18

x = 81

300

Write an equation for the following sentence:

The quotient of x and seven is twelve.

x/7 = 12

400

Write an equation and solve for the following sentence:

The quotient of x and two and a half is ten.

x/2.5 = 10

x = 25

Multiplication Equations

100

Solve the following equation for x.

8x = 64

x = 8

200

Solve the following equation for x:

6.75x = 54

x = 8

300

Write an equation for the following sentence:

The product of x and sixteen is seventy two.

16x = 72

400

Write an equation and solve for the following equation:

The product of three and a half and x is four hundred thirty seven and a half.

3.5x = 437.5

x = 125

Final Jeopardy

500

Write an equation and solve for x for the following information:

Jim went to the store to buy two pounds of bananas. The bananas are two dollars a pound. He also bought a loaf of bread for three dollars and fifty cents. Jim does not know how much his milk cost, but the total was twelve dollars and seventy five cents. How much was the milk?

2 + 2 + 3.5 + x = 12.75

4 + 3.5 + x = 12.75

7.5 + x = 12.75

x = 5.25