Writing Equations

A number five times is twenty five.

• 3x = 25

• 4x = 25

• 5x = 25

• 6x = 24

Tags

CCSS.6.EE.B.7

The sum of x and ten is twenty.

• x - 10 = 20

• x + 10 = 20

• x + 10 = 25

• 10x = 20

Tags

CCSS.6.EE.B.7

A number minus 9 is twelve.

• x - 9 = 12

• 9 - x = 12

• x - 9 = 13

• 9 - x = 14

Tags

CCSS.6.EE.B.7

Five less than a number n is thirty four.

• 5 - n = 36

• n - 5 = 35

• 5 - n = 34

• n - 5 = 34

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Two less than a number is fourteen.

• x - 2 = 14

• 2 - x = 14

• x - 2 = 15

• 2 - x = 13

The sum of 6 and a number is 5 less than forty.

• 6 + x = 5 - 40

• 6x = 40 - 5

• 6 + x = 40 - 5

• 6 + x = 45

Tags

CCSS.HSA.CED.A.3

5 more than a number is sixty

• x + 5 = 50

• x + 5 = 60

• 5 + x = 60

• 5 + x = 50

Tags

CCSS.6.EE.B.7

The sum of x and 8 is three less than four

• 8x = 3 - 4

• 8x = 4 - 3

• x + 8 = 3 - 4

• x + 8 = 4 - 3

Tags

CCSS.HSA.CED.A.3

A number minus 10 is fourteen.

• 10 - x = 14

• x - 10 = 14

• x - 10 = 15

• 10 - x = 15

Tags

CCSS.6.EE.B.7

A number times two is eight.

• 3x = 8

• 3 + x = 8

• 2x = 8

• 2 + x = 8

Tags

CCSS.HSA.CED.A.3