Adding and Subtracting Integers Unit Grade 7 Math 5 Days Tools ...
Adding and Subtracting Integers Unit Grade 7 Math 5 Days Tools ...
Adding and Subtracting Integers Unit Grade 7 Math 5 Days Tools ...
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Name _________KEY______________________Class _____________<strong>Adding</strong> <strong>Integers</strong> Using Algebra TilesAddition of <strong>Integers</strong>Use the algebra tiles to find each sum. Make a picture of your work.1. 3 + 4 = 7 2. 1 + 3 = 43. 2 + 7 =9 4. 5 + 2 = 7Write a rule for adding two positive integers together:_Add both numbers together <strong>and</strong> keep the positive sign_______________________5. -2 + -5 = -7 6. -3 + -1 = -47. -4 + -2 = -6 8. -6 + -1 = -7Write a rule for adding two negative integers together:Add both numbers together <strong>and</strong> keep the negative sign___________________________________________________________________9. -2 + 4 = 2 10. -6 + 1 = -511. 3 + (-4) = -1 12. 5 + (-2) = 3Write a rule for adding a positive <strong>and</strong> a negative integer:_Subtract the smaller number from the larger number <strong>and</strong> keep the sign of the largernumber._____________________________________________________________15
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