# Word Study Lesson 21

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1. multiple
The product of a given number and any other whole number.

ex. 3,6,9,12, and 15 are multiples of 3.
2. factors
Numbers that are multiplied together to give a product.

ex. 7 x 3 = 21 (7 and 3 are factors)
3. product
The answer to a multiplication problem

ex. 7 x 3 = 21 (21 is the product)
Numbers added together to give a sum

ex. 2 + 7 = 9 (2 and 7 are addends)
5. sum

ex 2 + 7 = 9 (9 is the sum)
6. difference
The answer to a subtraction problem
7. equivalent
If one thing is equivalent to another, it is the same as the other in amount or value.

• ex. 2 + 5 is equivalent to 10 -3,
•      2/4 is equivalent 1/2
8. numeral
A written symbol that represents a number
9. value
What something is worth
10. clockwise
Going in the same direction as the hands move on a clock
11. lines of symmetry
A line which a figure can be folded on so that both parts match exactly.

• ex.

Some shapes have more than one...

• ex.
12. perpendicular
Two lines that intersect to form right angles

• ex.
•
13. parallel
• Lines that never intersect
• ex.
14. intersect
Lines that cross at one point

• ex.
15. equation
A number sentence that says two expressions are equal.

ex. 12 - 5 = 3 + 4
16. What is the value of 4 in 1,456?
400
17. What is the value of 4 quarters?
\$1.00
18. What is the value of x in x + 4 = 10?
6
19. What is the difference in the following number sentence?

9 - 2 = 7
7
20. What are the addends in the following number sentence?

2 + 7 = 9
2 and 7
21. What is  the product in the following number sentence?

7 x 3 = 21
21
22. What are the factors in the following number sentence?

7 x 3 = 21
7 and 3 are factors
 Author: krug0043 ID: 214914 Card Set: Word Study Lesson 21 Updated: 2013-04-22 00:35:08 Tags: Math Terms Folders: Description: Math terms for 3rd grade Show Answers: