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

**2. To drop a percent**

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

**4. 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)=**

**5. Properties of 1 and -1**

**6. Multiplying fractions**

**7. Number divisible by 3**

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

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

**10. Mode**

**11. Two factors together that are multiplied to equal a larger number.**

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

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

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

**15. Number divisible by 9**

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

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

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

**19. Reducing fractions**

**20. Number divisible by 6**

**21. 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?**

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

**23. Number divisible by 4**

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

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

**26. The greatest whole number that is a factor of two or more nonzero whole numbers**

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

**28. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers**

**29. 8x8=64 What is 64?**

**30. New whole**

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

**32. The bottom number in a fraction; tells how many parts a whole is divided into OR how many parts in a group - E.g. 2/4 and what position is the 4?**

**33. Percent decrease**

**34. How much a number is worth**

**35. odd + even**

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

**37. Multiplying decimals**

**38. Multiple-event probability**

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

**40. In multiplication or addition - the order of two numbers may be switched around and the answer is the same. Ex: a+b = b+a. or (1x2) x 3=1x (2x3)**

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

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

**43. 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**

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

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

**46. The answer to a multiplication problem**

**47. odd + odd**

**48. Percent increase**

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

**50. Dividing fractions**