Translating Equations

5 less than a number is 15.

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

Twice a number is 24.

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

Tags

CCSS.6.EE.B.7

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign
• Expressions do not have an equal sign and equations do have an equal sign
• There is not a difference
• Expressions do not have variables and equations have variables

Translate: two times the sum of a number and five 

• 2 + y + 5
• 2y + 5 
• 2(y + 5)
• 2 - y + 5

Tags

CCSS.6.EE.A.2A

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

It costs $12 to go to the movies and 2.50 for each box of candy you want to buy. If you spent 50, how many boxes did you buy? Which equation can be used to solve this problem?

• 2.50 + 12x = 50

• 2.50 + 50x = 12

• 2.50x + 12 = 50

• 12 - 2.50x = 50

Tags

CCSS.7.EE.B.4A

Which equation matches the sentence "The quotient of b and 4 is 3.2"?

• b/4 = 3.2
• 4b = 3.2
• 3.2b = 4
• b - 4 = 32

Tags

CCSS.HSA.CED.A.3

What algebraic equation represents "four times the difference of a number, x and two, equals twenty"?

• 2x - 4 = 20

• 4(2) - x = 20

• 4x - 2 = 20

• 4(x - 2) = 20

There were 331 students that went on a field trip. Six buses were filled and 7 students traveled in a van. How many students were on each bus?

• 6 + 7x = 331

• 331 - 6x = 7

• 6x + 7 = 331

• 6x + 7y =331

Tags

CCSS.HSA.CED.A.3