Vocabulary from Course 3 Chapter 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Opposites | Two numbers on the opposite side of zero and the same distance from zero (4 and -4)
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| Integers | Whole numbers and their opposites
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| Positive Numbers | numbers greater than zero
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| Negative Numbers | numbers less than zero
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| Absolute Value | the distance from zero; represented by / / (Example 1, page 63)
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| Additive Inverse | The opposite of a number
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| The Inverse Property of Addition | The sum of an integer and its additive inverse is 0
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| Adding Integers with the Same Sign Rule | Add the absolute value of the two numbers Use the sign of the numbers
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| Adding Integers with Different Signs Rule | Subtract the number with the smaller absolute value from the number with the larger absolute value. Take the sign of the number with the larger absolute value.Take the sign of the number with the larger absolute value
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| Commutative Property | a + b = b + a
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| Associative Property | (a + b) + c = a + (b + c)
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| Subtracting Integers | subtraction of integers is the same as adding the opposite; a – b = a + (- b) (Example 2, page 73)
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| Product of Integers Rule | The product of two numbers with the same signs is positive; the product of two numbers with different signs is negative (Example 1, page 78)
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| Multiplicative Inverse | two numbers whose product equals 1
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| Reciprocal | a number which when multiplied by its inverse equals 1
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| The Inverse Property of Multiplication | The product of a number and its multiplicative inverse is 1, a/b x b/a = 1
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| Quotient of Integers Rule | The quotient of two integers is positive if the two integers have the same sign; the quotient of two integers is negative if the two integers have different signs (Example 4, page 79)
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
mccarthyr
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