## 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. Answer to a multiplication problem**

**2. Number divisible by 4**

**3. Comparing positive fractions**

**4. Standard deviation: greater if...**

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

**6. 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?**

**7. Multiplying fractions**

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

**9. Dividing fractions**

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

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

**12. Be identical or equivalent to**

**13. Number divisible by 3**

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

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

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

**17. 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**

**18. Properties of 0**

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

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

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

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

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

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

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

**26. Number divisible by 2**

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

**28. Comparing decimal fractions**

**29. Answer to a division problem**

**30. Percent decrease**

**31. Adding/subtracting decimals**

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

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

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

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

**36. 1/5 + 1/4=4/20 +5/20 and 20 is the...**

**37. 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)**

**38. 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)**

**39. An equation showing 2 ratios are equal**

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

**41. Reducing fractions**

**42. To make a percent**

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

**44. Adding/subtracting fractions**

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

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

**47. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5**

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

**49. Absolute value of number**

**50. 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.**