One Step Equations with Mr. J

After 4 students joined a class, the class has 32 students. Which equation can be used to find n, the number of students in the class before the new 4 students joined?

• n - 4 = 32

• 4n = 32

• n + 4 = 32

Tags

CCSS.HSA.CED.A.3

Ted bought a dolphin poster for $12. He now has $5. Write and solve an equation to find out how much money Ted took to the aquarium.

• m - 12 = 5

• m - 5 = 12

• m + 5 = 12

• m + 12 = 5

Tags

CCSS.HSA.CED.A.3

Sergio got a paycheck for $74.80 for 10 hours of work. Which equation can be used to find x, the amount he was paid per hour?

• x + 10 = 74.80

• x − 80 = 74.80

• 10x = 74.80

Tags

CCSS.HSA.CED.A.3

5 less than a number is 15.

• x - 5 = 15

• 5 - x = 15

• 15 - x = 5

The product of four and a number is twelve.

• 12x = 4

• 4x = 12

• 4(12) = x

• 4 + x = 12

Tags

CCSS.6.EE.B.7

The product of 7 and a number is 42

• nx8=42

• 7n=42

• 7+n=42

Tags

CCSS.6.EE.B.7

Six more than a number equals 52.

• x + 6 = 52

• 6 + 52 = x

• 6x = 52

• 6x + 52 =

Tags

CCSS.6.EE.B.7

12 added to a number is 5.

• 12 + j = 5

• 12 + j = 15

• 13 + j = 5

• 14 + j = 5

Tags

CCSS.6.EE.B.6

Which equation matches the hanger model?

• y - 7 = 21

• y + 7 = 21

Tags

CCSS.HSA.CED.A.3

How would you say the following equation?

h + 3 = 9

• 9 is the same as h and 9

• h plus 3 feet is the same as 9

• three less than h is 9

• h is 9 and 3

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2