Writing Algebraic Equations

The sum of a number and 16 is 45.

• x - 16 = 45
• 16x= 45
• x + 16 = 45
• x/16 = 45

Tags

CCSS.6.EE.B.7

The product of 6 and m is 216.

• 6m=216
• 6 - m = 216
• m/6 =216
• m + 6 = 216

Tags

CCSS.HSA.CED.A.3

The difference of 100 and x is 57.

• 100 - 57 = x
• x - 100 = 57
• x + 100 = 57
• 100 - x = 57

Tags

CCSS.6.EE.B.7

The quotient of z and 10 is equal to 32.

• z/10 = 32
• 10/z = 32
• 10/32 = z
• 32/z = 10

Tags

CCSS.6.EE.B.7

The total area decreased by 75 feet is 250 square feet.

• 75 - a = 250; a= 175
• a - 75 = 250; a= 325
• 250 - 75; a=175
• x -250 = 75; a = 175

Tags

CCSS.HSA.CED.A.3

Solve: The cost of 10 books at $d each is $159.90.

• 10/d= 159.99; d = $15.99
• 10d= 159.90; d= $15.99
• 159.99/d = 10; d= $15.99
• 10d - 159.99; d = $15.99 

Tags

CCSS.6.EE.B.7

Solve: Carla's height plus 4 inches is 68.

• Carla is 72 inches.
• Carla is 66 inches.
• Carla is 62 inches.
• Carla is 64 inches.

Tags

CCSS.6.EE.B.7

- 9 - 19

• -10
• -28

Tags

CCSS.7.NS.A.1C

x + 5 = 19

• x increased by 5  is the same as 19
• x less than 5 is 19
• x plus 19 is 5

Tags

CCSS.6.EE.B.7