Translating Equations

What does "difference" mean?

• add
• subtract 
• multiply
• divide

Tags

CCSS.8.EE.C.7B

5 less than a number is 15.

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

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Two more than 4 times a number is -18.

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

Tags

CCSS.HSA.CED.A.3

A number tripled subtracted from 60 is the same as 21.

• 3c − 60 = 21
• 60 − 3 = 21c
• 60 − 3c = 21
• c(60 − 3) = 21

Tags

CCSS.HSA.CED.A.3

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

• 3x - 8 = 34

• 8x - 3 = 34

• 8 - 3x = 34

• 8 - x = 34

Tags

CCSS.6.EE.B.6

CCSS.6.EE.B.7

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.HSA.CED.A.3

One quarter the difference of a number and twenty eight is equal to nine.

• (1/4)x - 28 = 9

• (1/4)(x - 28) = 9

• 25x - 28 = 9

• (1/4)(x + 28) = 9

Tags

CCSS.7.EE.B.4A

Translate the statement into an equation:
The sum of three times a number and ten is equal to eight times the number.

• 3 + 10 = 8
• 3x + 10 = 8
• 3x + 10 = 8x
• 3(x + 10) = 8x

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Seven times the sum of four more than twice a number is equal to three less than the product of eight and that same number.

• 7(2n + 4) = 8n - 3

• 7(2n + 4) = 3 - 8n

• 7(2n) + 4 = 3 - 8n

• 7(4) + 2n = 8n - 3

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

The product of eight and a number increased by five is equal to the product of nine and the same number decreased by 10

• 8c - 5 = 9c + 10

• 5c + 8 = 9c - 10

• 8 + 5c = 10 - 9c

• 8c + 5 = 9c - 10

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7