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Integer Rules Memorize the Rules
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Farthest from zero
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Addition Same signs = add Different signs = subtract
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Multiplication & Division
Same signs = positive Different signs = negative
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Practice Questions When adding with the same sign:
When adding with different signs:
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Practice Questions When adding with the same sign: Add
When adding with different signs:
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Practice Questions When adding with the same sign: Add
When adding with different signs:
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Practice Questions When adding with the same sign: Add
When adding with different signs: Subtract
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Practice Questions When multiplying with the same sign:
When multiplying with different signs:
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Practice Questions When multiplying with the same sign: Positive
When multiplying with different signs:
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Practice Questions When multiplying with the same sign: Positive
When multiplying with different signs:
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Practice Questions When multiplying with the same sign: Positive
When multiplying with different signs: Negative
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Practice Questions When multiplying with the same sign: Positive
When multiplying with different signs: Negative
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Practice Subtraction
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15 – 2 =
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Regular Subtraction 15 – 2 =
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Regular Subtraction 15 – 2 = 13
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Regular Subtraction 15 – 2 = 13 Same as
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15 – (-2) = Same as 15 – -2
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Subtraction using Integer Rules
15 + (+2) =
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Subtraction using Integer Rules
15 + (+2) = 17
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2 – 15 =
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Subtraction using Integer Rules
2 – 15 =
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Subtraction using Integer Rules
=
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Subtraction using Integer Rules
= -13
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Practice Addition
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=
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Positive + Positive = = Regular Addition
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Add; Positive answer =
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Add; Positive answer = 17
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-15 + (-2) =
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Negative + Negative = -15 + (-2) =
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Add; Negative answer -15 + (-2) =
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Add; Negative answer -15 + (-2) = -17
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15 + (-2) =
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Positive + Negative = 15 + (-2) =
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Subtract; Positive answer
15 + (-2) =
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Subtract; Positive answer
15 + (-2) = 13
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=
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Positive + Negative= =
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Subtract; Negative answer
=
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Subtract; Negative answer
= -13
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Practice Multiplication
Same signs = positive Different signs = negative
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5 x 7 =
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Positive x Positive = 5 x 7 =
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Positive answer 5 x 7 = 35
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-5 x -7 =
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Negative x Negative = -5 x -7 =
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Positive answer -5 x -7 = 35
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5 x -7 =
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Positive x Negative = 5 x -7 =
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Negative answer 5 x -7 = -35
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