8 terms

Unit 2 EDM 5th grade

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Sum
The result of adding two or more numbers
Difference
The result of subtracting one number from another
Algorithm
A set of step -by-step instructions for doing something (example-doing a computation).
Estimate
An answer that should be close to an exact answer
Number sentence
At least two numbers or expressions separated by a relation symbol (=, <, >). Most have at least one operation (-, +, *, /)
Solution
A value that makes a sentence true when it is substituted for the variable.
Variable
A letter or other symbol that represents a number. (example 5 + n = 9)
Expanded notation
A way of writing a number as the sum of the values of the digits. (example 356 = 300 + 50 + 6)
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