1. Tues, Sept. 9, 2014 Mathematical practice -- Model Life-sized number lines Thermometer The temperature was 56 degrees when you went to bed. When you woke up, it was 49 degrees How many degrees did the temperature change? Yards gained on a field The ball is on the 40 yard line. You lose 15 yards. Where is the ball now?

2. Yards gained on a field The ball is on the 40 yard line. You lose 15 yards. Where is the ball now? Money in a bank account $550 -1,145 -595 If you have $550 in your account and write a check for $1,145, how much do you owe the bank? Houses on a street You start at the sixth house and walk two houses to the left. Where are you?

3. Tues, Sept. 23, 2014 Mathematical practice -- Look for structure Opposites and Additive Inverses and Absolute Values Fill in the chart below: ContextMath termOppositeAdditive Inverse Absolute value 3 degrees below zero 333 5 degrees-5 5 Ten dollars-10 10 Take an elevator down 4 floors (up) 4 floors44

4. Opposites the number that when added to a given number will give zero Additive Inverses the number that when added to a given number will give zero Absolute Value distance of a number from zero on a number line (always a positive number) ContextMath termsOppositeAdditive Inverse Absolute value 3 degrees below zero -3333 5 degrees5-5 5 Ten dollars10-10 10 Take an elevator down 4 floors -4(up) 4 floors44

5. Algorithm for adding integers positive and negative Both are negative