Translating Equations

5 less than a number is 15.

• x - 5 = 15
• 5 - x = 15
• 15 - x = 5

Two more than 4 times a number is -18.

• 4x + 2 = -18
• 2x + 4 = -18
• 18 = 4x +2

Tags

CCSS.HSA.CED.A.3

Twice a number is 24.

• 2n = 24
• 2/n = 24
• 2 + n = 24
• 2 - n = 24

Tags

CCSS.6.EE.B.7

Twice the sum of a number and 5 is 22.
What is the number

• 3
• 4
• 5
• 6

Tags

CCSS.7.EE.B.4A

The sum of a number and 8 is 12.
What is the number?

• 2
• 3
• 4
• 5

Tags

CCSS.2.OA.A.1

What does "difference" mean?

• add
• subtract 
• multiply
• divide

Tags

CCSS.6.EE.A.2A

Five less than twice a number is equivalent to thirty.

• 5x - 2 = 30

• x - 5 = 30

• 2x - 5 = 30

• 5 - 2x = 30

Eight less than three times a number is equivalent to thirty four.

• 3x - 8 = 34

• 8x - 3 = 34

• 8 - 3x = 34

• 8 - x = 34

Fifteen less than half a number is equivalent to eleven.

• (1/2)x + 15 = 11

• 2x - 15 = 11

• 15 - (1/2)x = 11

• (1/2)x - 15 = 11

Tags

CCSS.7.EE.B.4A

One and a half times a number increased by nine is equal to twenty one.

• (1/2)x + 9 = 21

• 1.5x + 9 = 21

• x + 9 = 21

• 1.5x - 9 = 21

Tags

CCSS.7.EE.B.4A