## 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. Probability**

**2. Absolute value of number**

**3. To find the answer for; solve**

**4. Multiplying decimals**

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

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

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

**8. Standard deviation: greater if...**

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

**10. Adding/subtracting decimals**

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

**12. To drop a percent**

**13. A number with more than two factors**

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

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

**16. 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?**

**17. Not identical or equivalent to**

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

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

**20. odd + odd**

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

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

**23. Properties of 1 and -1**

**24. New whole**

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

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

**27. Reciprocal of number**

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

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

**30. 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)**

**31. 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**

**32. Percent decrease**

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

**34. Answer to a division problem**

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

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

**37. odd + even**

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

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

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

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

**42. 8x8=64 What is 64?**

**43. Average A per B**

**44. The property which allows you to add a number's opposite to it and always get 0 - The relationship of addition to subtraction or multiplication to division**

**45. Number divisible by 6**

**46. Be identical or equivalent to**

**47. Percent increase**

**48. To make a percent**

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

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