## 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. The smallest number in a group of numbers**

**2. Number divisible by 3**

**3. odd + odd**

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

**5. Number divisible by 2**

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

**7. A shortcut for writing repeated multiplication**

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

**9. Multiple-event probability**

**10. Standard deviation: greater if...**

**11. Cannot be expressed in the form a/b. Include square roots of whole numbers that are not perfect squares and non terminating decimals that do not repeat. pi**

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

**13. odd + even**

**14. Mode**

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

**16. Probability**

**17. The number at the top of a fraction; stands for the parts of a set you are considering - E.g. 3/4 What position is 3?**

**18. Reducing fractions**

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

**20. 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)=**

**21. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...**

**22. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...**

**23. To find a number that is close to an exact answer - E.g. 23+24 is around 50**

**24. Dividing fractions**

**25. Comparing decimal fractions**

**26. Average value**

**27. Two expressions that are set equal to each other; a number sentence with an equal sign**

**28. Able to be divided evenly (without a remainder)**

**29. New whole**

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

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

**32. Percent x whole**

**33. Answer to a multiplication problem**

**34. When you add 0 to a number - or mulltiply a number by 1 - the result is the same number - e.g. Identity Property of Multiplication: 21x1=1x21=21 or 300x 1 = 300**

**35. Number divisible by 6**

**36. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2**

**37. Answer to a division problem**

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

**39. To change a percent to a decimal**

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

**41. Choosing numbers close to the numbers in a problem - and then adjusting the answer to compensate for the numbers chosen - E.g. 23 + 18 and 23+20=43 Since 2 was added to 18 to make 20 - we need to take 2 away from 43.**

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

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

**44. To make a percent**

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

**46. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)**

**47. A set of operators - numbers - variables and grouping symbols; no equal sign**

**48. A fraction out of 100 - %**

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

**50. A property of real numbers that states that the sum or product of a set of numbers is the same - regardless of how the numbers are grouped - (a+b)+c=a+(b+c) - e.g. (1+2)+3=1+(2+3)**