TRANSLATING SENTENCES INTO EQUATIONS

What is the difference between an expression and an equation?

• Equations have an equal sign and expressions do not.

• Expressions have an equation sign and equations do not.

• Equations have variables and expressions do not.

• Expressions and equations are the same

Three more than twice a number is nine

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CCSS.7.EE.B.4A

Translate the sentence into an equation: The product of a number and two-thirds is 24.

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CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.A.2

Translate the sentence into an equation, and then solve the equation: Seven times a number is 28.

• 7y = 28; y = 7

• -7y = 28; y = -4

• 7y = 28; y = 4

• y/7 = 28; y = 4

Tags

CCSS.6.EE.B.7

Twice the difference of a number and 16 is equivalent to 28.

• 2x + 16 = 28

• 2(x + 16) = 28 

• 2x - 16 = 28 

• 2(x - 16) = 28

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CCSS.6.EE.B.6

CCSS.6.EE.A.2

 

Janice eats 4 times more donuts than Mike. Write an expression to find how many donuts Janice will eat. (let x = Mike)

• x + 4

• 4 + 4

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CCSS.6.EE.B.6

Justin is purchasing a new iPhone.  The sales clerk says that if he pays $100 now his monthly payments will be $25 and his total cost will be $600.  Which equation can be used to determine how many months Justin will be paying for his phone? 

• 25x - 100 = 600 

• 25x + 100 = 600

• 600 - 100x = 25

• 600 + 25x = 100 

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CCSS.HSA.CED.A.3

Three fourths of W plus 5 is one half of W increased by nine.

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CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.A.3

Rachel and Sharon are splitting up their Pokemon cards.  Rachel has 4 fewer than 3 times as many as Sharon.  Together they have 100 cards.  Which equation could be used to solve for how many cards Sharon had originally?

• n + (3n - 4) = 100

• n + (4 - 3n) = 100

• n - (3n - 4) = 100

• 4 - 3n = 100

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CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.B.5

CCSS.6.EE.C.9

• 2t + 600

• 2(600) + t

• 2 (600 + t )

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CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2