4. Anticipatory Set
Evaluate the following expressions.
a.) 9 + x - 6, for x = -15
b.) (x + 5) - (8 - y), for x = -15, y = 10
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5. 1.) The record high temperature in
North Carolina is 110°F. The record low
temperature is -34°F. What is the
difference in these temperatures?
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6. 2.) The temperature at 6 P.M. was 15°F.
By 8 P.M. it had dropped 9 degrees, and
then by 10 P.M. it had dropped another
11 degrees. What was the temperature
at 10 P.M.?
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7. 1
Evaluate the following algebraic expressions.
-10 - x - (-2), for x = 4
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8. 2 Evaluate the following algebraic expressions.
20 - x + (-7), for x = 9
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9. 3 Evaluate the following algebraic expressions.
-15 + x - (-11), for x = -3
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10. 4 Evaluate the following algebraic expressions.
-2 + x - (-4), for x = 25
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11. 5 Evaluate the following algebraic expressions.
-9 + x - (15 - y), for x = -8 and y = 25
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12.
6 Evaluate the following algebraic expressions.
x - (-13) + (y - 13), for x = 18 and y = -20
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13. BEFORE YOU LEAVE
AIM: Subtracting
How would you explain today's
Integers
lesson to a student who was
absent today?
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