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```Unit__1____ Lesson __3__
Title __Number Operations____
1. A letter in an equation that represents an unknown number is called a
___________________.
2. An algebraic expression does not have an ______________________ as part of the
expression.
3. An algebraic equation includes an ____________________________ as part of the
equation.
4. There are four basic number operations, and they are:
________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________.
__________________________________.
6. The answer to a subtraction problem is known as the
__________________________________.
7. 4 + 3 is an example of which basic number operation?
_________________________________.
8. 11 – 7 is an example of which basic number operation?
________________________________.
9. Addition and subtraction are what kind of operations?
_________________________________.
10. “When you add two real numbers, the answer is always a real number.” What is the
name of this property?
________________________________________________________________________.
11. 4 x 3, 4 ∙ 3, and (4)(3) are all examples of which basic number operation?
_________________________________________.
12. The answer to a multiplication problem is known as a
__________________________________.
13. 4 ÷ 2 and 4/2 are examples of which basic number operation?
__________________________.
14. The answer to a division problem is called the
_______________________________________.
15. Division and multiplication are ___________________________________________
operations.
16. “Whenever we multiply two real numbers, the product is always a real number.” What is
the name of this property?
_____________________________________________________________.
17. What does it mean to take a number taken to a power?
________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________.
18. Give an example of a number taken to a power.
______________________________________.
19. What is the answer to the example in # 18?
__________________________________________.
20. What is the name of the “power number”
___________________________________________.
21. What is the exponent in the example in # 18?
________________________________________.
22. What is the name of the number that is taken to the power?
____________________________.
23. What is the base number in the example in # 18?
_____________________________________.
24. What are the steps in the order of operations?
1._______________________________________.
2. ______________________________________
3.______________________________________.
4. ______________________________________
5. ______________________________________.
6. _______________________________________.
25. What are the different types of grouping symbols? List them and draw examples.
_________________________________________________________________________
_________________________________________________________________________
_________________________________________________________________________.
26. What is the name of the rule that states that you read an equation from left to
right?
___________________________________________________________________
__________________________________________________________________.
```
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