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14 Cards in this Set

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  • Back
Use digits and symbols to write "the sum of 2 and 3 is less than the product of 2 and 3.
2 + 3 < 2 x 3
To find a missing divisor in a division problem, we __________.
divide
5-3=2
3-5=-2
Reversing the order in subtraction results in the ___________ difference.
opposite
A letter that stands for an unknown number is called a ______________.
variable
The numbers to the right of zero on the number line are called ___________ numbers.
positive
To find a missing dividend in a division problem, we _____________.
multiply
The numbers to the left of zero on the number line are called ___________ numbers.
negative
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.
To find a missing subtrahend in a subtraction problem, we _______________.
subtract
To find a missing factor in a multiplication problem, we ___________.
divide
We can find a missing addend in an addition problem by ______________.
subtracting
Zero is neither _____________ nor ____________.
positive
negative
The zero point on a number line is called the __________.
origin
To find a missing minuend in a subtraction problem, we _______.
add