## 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. Adding/subtracting fractions**

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

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

**4. Absolute value of number**

**5. Reciprocal of number**

**6. Be identical or equivalent to**

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

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

**9. Reducing fractions**

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

**11. Dividing fractions**

**12. Number divisible by 5**

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

**14. 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)=**

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

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

**19. Number divisible by 3**

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

**21. New whole**

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

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

**24. odd + even**

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

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

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

**28. 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**

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

**30. Probability**

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

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

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

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

**35. Average A per B**

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

**37. Number divisible by 6**

**38. Percent x whole**

**39. 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)**

**40. Number divisible by 2**

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

**42. odd + odd**

**43. 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**

**44. Answer to a multiplication problem**

**45. Adding/subtracting decimals**

**46. Comparing decimal fractions**

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

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

**49. 1/5 + 1/4=4/20 +5/20 and 20 is the...**

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