Day 1 adding integers
- 1. AIM: Adding Integers Do Now Basic Skills Quiz #1 1
- 2. Basic Skills Quiz #1 1.) Evaluate the following and write your answer in simplest form. 2 1 3 4 2.) Multiply. 2.14 3.6 3.) Estimate the following solution. 50.1598 ÷ 12.5842 4.) Evaluate the following using the order of operations. 9-2 4+5 5.) Round the following to the nearest tenth. 168.1368 2
- 3. Anticipatory Set Fill out the first two columns based on what you know about integers. What you What you Know Want to Learn Learned 3
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- 6. If the temperature is negative 8 degrees and then rises 8 degrees, what is the final temperature? Write a numeric expression to represent this temperature change. 6
- 7. 1.) -5 + (-2) Removing Area 1 1 1 1 1 1 1 Extra Pieces 1 1 7
- 8. 2.) -3 + (-4) Removing Area 1 1 1 1 1 1 1 Extra Pieces 1 1 8
- 9. INDIVIDUALLY: Write a rule that allows you to add any integers with the same sign without Integer Chips. (Just pencil and paper) 9
- 10. 3.) 2 + (-3) Removing Area 1 1 1 1 1 Extra Pieces 1 1 10
- 11. 4.) -1 + 4 Removing Area 1 1 1 1 1 Extra Pieces 1 1 11
- 12. 5.) -6 + 2 Removing Area 1 1 1 1 1 1 1 1 Extra Pieces 1 1 12
- 13. 6.) 7 + (-3) Removing Area Extra Pieces 1 1 13
- 14. INDIVIDUALLY: Write a rule that allows you to add any integers with different signs without using Integer Chips. (Just pencil and paper) 14
- 15. Final Rules Adding Integers with the Same Sign: Find the sum of their absolute values. Use the signs of the two integers. Adding Integers with Different Signs: Find the difference of their absolute values. Use the sign of the integers with the greater absolute value. 15
- 16. Use the rules to evaluate the following expressions. 1.) -4 + (-9) 2.) -3 + 15 3.) 9 + (-2) 4.) 0 + (-8) 5.) -8 + (-21) 6.) -18 + 7 16
- 17. Extra Examples 17
- 18. Before You Leave 1.) Explain whether -7 + 2 is the same as 7 + (-2). 2.) Explain whether 3 + (-5) is the same as -5 + 3. 18
- 19. Homework Castle Learning Assignment due Tomorrow 19
- 20. AIM: Adding Integers Final Rules Adding Integers with the Same Sign: Find the sum of their absolute values. Use the signs of the two integers. Adding Integers with Different Signs: Find the difference of their absolute values. Use the sign of the integers with the greater absolute value. Use the rules to evaluate the following expressions. 1.) -4 + (-9) 2.) -3 + 15 3.) 9 + (-2) 4.) 0 + (-8) 5.) -8 + (-21) 6.) -18 + 7 20