Adding with Integers Middle School Math Created by Crystal Wix, SMS 7.1.1l. Use concrete, pictorial, and symbolic representations for integers. 7.1.2b.

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Presentation transcript:

Adding with Integers Middle School Math Created by Crystal Wix, SMS 7.1.1l. Use concrete, pictorial, and symbolic representations for integers b. Use models to demonstrate meaning and effects of arithmetic operations with integers.

Adding Integers Circle the number that is furthest from zero. If they are the same distance from zero, circle the first number.

Adding Integers Circle the number that is furthest from zero. If they are the same distance from zero, circle the first number.

Adding Integers Circle the number that is furthest from zero. If they are the same distance from zero, circle the first number. 2.If the other number has the same sign, circle it too; if it has a different sign, put a square around it

Adding Integers Circle the number that is furthest from zero. If they are the same distance from zero, circle the first number. 2.If the other number has the same sign, circle it too; if it has a different sign, put a square around it

Adding Integers Circle the number that is furthest from zero. If they are the same distance from zero, circle the first number. 2.If the other number has the same sign, circle it too; if it has a different sign, put a square around it 3. means add; means subtract

Adding Integers Circle the number that is furthest from zero. If they are the same distance from zero, circle the first number. 2.If the other number has the same sign, circle it too; if it has a different sign, put a square around it 3. means add; means subtract 4.The sign of the answer is the sign of the

Adding Integers = -4 1.Circle the number that is furthest from zero. If they are the same distance from zero, circle the first number. 2.If the other number has the same sign, circle it too; if it has a different sign, put a square around it 3. means add; means subtract 4.The sign of the answer is the sign of the

Now it’s your turn Since there are, you need to add 8 and 5 which is 13. The circles were around a negative number, so the answer is negative. = -13

Now it’s your turn Since there are, you need to add 8 and 5 which is 13. The circles were around a positive number, so the answer is positive. = 13

Since there are, you need to subtract 8 and 5 which is 3. The circle was around a negative number, so the answer is negative. Now it’s your turn = -3

Since there are, you need to subtract 8 and 5 which is 3. The circle was around a positive number, so the answer is positive. Now it’s your turn = 3

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