F.O.A Write the following equations in words: 1.2 + n = 13 2.8n – 4 = 10 3.6 – 3(4 + m) = 12.

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Presentation transcript:

F.O.A Write the following equations in words: n = n – 4 = – 3(4 + m) = 12

Translating Real-World Problems into Equations

STEP #1 READ THE PROBLEM.

READ THE PROBLEM AGAIN. This step is the MOST important step, but it is also the step that most people don’t do properly. Sometimes a single word can completely change how the problem is worked. STEP #2

Represent one of the unknown quantities with a variable and try to relate all the other unknown quantities (if there are any of course) to this variable. STEP #3

If applicable, sketch a figure illustrating the situation. This may seem like a silly step, but it can be incredibly helpful with the next step on occasion. STEP #4

Form an equation that will relate known quantities to the unknown quantities. STEP #5

F.O.A (Show All Work) Countdown to TCAP (Textbook) 1.TN16 – Day 1 2.TN16 – Day 4 3.TN19 – Day 1 4.TN19 – Day 4

1.Which expression represents the phrase the sum of twice a number and 7 ? A 2 + n + 7 B n + 2(7) C 2n + 7 D 2n(7)

2.In Kyle’s class the number of boys b is 3 more than the number of girls g. Which equation matches this information? A b + g = 3 B g = b + 3 C b = g + 3 D 3b = 3g

3.Which equation represents the statement the product of 3 and a number is 11? A.3n = 11 B.11n = 3 C.n + 3 = 11 D.n + 11 = 3

4.Cho has 4 times as many dimes d as she has quarters q. Which equation represents this situation? A.4d = q B.4q = d C.dq = 4 D.4d = 4q

5.Which equation represents the statement the product of 6 and a number is twice the sum of the number and 2? A.6n = 2 + n + 2 B.6 + n = 2n + 2 C.6 + n = 2(n + 2) D.6n = 2(n + 2)

6.Subtract 3 from a number and divide the result by 5. The answer is 20. Which equation matches these statements? A. C. B. D.

7.Subtract 4 from a number and multiply the result by 5. The answer is 75. Which equation matches these statements? A.4 - n = 75 B.n - 4 = 75 C.5(n - 4) = 75 D.5n - 4 = 75

8.Which equation represents the statement 35 more than a number n is two times the sum of n and 7? A.n + 35 = 2n + 7 B.n + 35 = 2n C.n + 35 = 2(n + 7) D.35 = 2n + 7

F.O.A. (Show All Work) 1.The bottom of the Mariana Trench is 36,069 feet below sea level. Mt. Everest has an elevation of 29,029 feet. What is the difference between the elevation of Mt. Everest and the elevation of the Mariana Trench? A. 7,040 feet B. -7,040 feet C. 65,098 feet D. -65,098 feet 2. The formula to convert temperature from Celsius (c) to Fahrenheit (f) is: If the temperature in Paris France is today is. About what is the temperature in Celsuis? A. B. C. D.