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14 Cards in this Set
- Front
- Back
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Use digits and symbols to write "the sum of 2 and 3 is less than the product of 2 and 3.
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2 + 3 < 2 x 3
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To find a missing divisor in a division problem, we __________.
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divide
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5-3=2
3-5=-2 Reversing the order in subtraction results in the ___________ difference. |
opposite
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A letter that stands for an unknown number is called a ______________.
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variable
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The numbers to the right of zero on the number line are called ___________ numbers.
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positive
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To find a missing dividend in a division problem, we _____________.
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multiply
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The numbers to the left of zero on the number line are called ___________ numbers.
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negative
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Tell how you would find n in this problem:
3+4+n+7+8=40 |
Add the known addends and subtract their sum from 40.
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To find a missing subtrahend in a subtraction problem, we _______________.
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subtract
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To find a missing factor in a multiplication problem, we ___________.
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divide
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We can find a missing addend in an addition problem by ______________.
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subtracting
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Zero is neither _____________ nor ____________.
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positive
negative |
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The zero point on a number line is called the __________.
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origin
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To find a missing minuend in a subtraction problem, we _______.
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add
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