## Test your basic knowledge |

# Number Sense Vocab

**Instructions:**

- Answer 50 questions in 15 minutes.
- If you are not ready to take this test, you can study here.
- Match each statement with the correct term.
- Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

**1. To place a fraction in lowest terms**

**2. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6**

**3. Reciprocal of number**

**4. Dividing decimals**

**5. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2**

**6. Relationship in which a number is smaller than another**

**7. A line for representing and graphing numbers. Each point on the line corresponds to a number.**

**8. Properties of numbers btw -1 and 1**

**9. The answer to a subtraction problem**

**10. When a number is larger than the other number. Example 65 > 56**

**11. To drop a percent**

**12. Natural Numbers - Whole Numbers - Integers - Rational Numbers**

**13. The expression of a number as a product of prime factors; use a factor tree!**

**14. In 4x4=16 - what is 4?**

**15. A number with one or more digits to the right of the decimal point - E.g. .33**

**16. A letter that represents a value that may change**

**17. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)**

**18. Number divisible by 9**

**19. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6**

**20. Percent decrease**

**21. Percent increase**

**22. The difference between the greatest and the least numbers in a set of data.**

**23. To make a percent**

**24. Simplifying complex fractions: two methods**

**25. A number made up of a whole number and a fraction**

**26. Percent x whole**

**27. Answer to a division problem**

**28. The largest number in a group of numbers**

**29. Mode**

**30. A property indicating a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses - such as a(b + c) = ab + ac - or 7x (4+1)=**

**31. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)**

**32. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2**

**33. Median**

**34. Average A per B**

**35. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3**

**36. A value that does not change; any number**

**37. A number that is multiplied by another number to find a producr**

**38. odd + odd**

**39. New whole**

**40. A number that results from multiplying a factor by itself**

**41. Number divisible by 6**

**42. Properties of 1 and -1**

**43. A fraction whose numerator is greater than its denominator**

**44. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.**

**45. A comparison of 2 numbers; one form is a fraction**

**46. The answer to an addition problem**

**47. To perform a calculation - E.g. 2+2=4**

**48. Probability**

**49. Comparing positive fractions**

**50. Standard deviation: greater if...**