"real world" intro to signed number expressions & computation


1. What's the temperature if it is 10° then drops 3°,
increases 2°, drops 6°, drops 2°, drops 1°,
increases 25°?
2. What's the bank balance if the last banance was $145.00 and
you write a check for $50.50, a check for $12.60, and
two checks for $4, then deposit $253.85?
3. Where's the ball if it starts at the 50 yard line,
goes 10 yards to the black, 45 yards to the red,
12 yards to the red?
4. What's the result of your trip to AC if you
take $20,
win $6,
loose $4,
win $10,
loose $3,
win $25,
win $4,
loose $30?
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