## 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 that is a multiple of both numbers. (the LCM of 15 and 6 is 30)**

**2. 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**

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

**4. 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**

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

**6. Number divisible by 9**

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

**8. Rational numbers in decimal form that have a block of on or more digits that repeat continuously**

**9. Be identical or equivalent to**

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

**11. Average A per B**

**12. 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)=**

**13. 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.**

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

**15. Percent increase**

**16. Multiplying decimals**

**17. 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)**

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

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

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

**21. 8x8=64 What is 64?**

**22. Number divisible by 3**

**23. Average value**

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

**25. Number divisible by 2**

**26. 1/5 + 1/4=4/20 +5/20 and 20 is the...**

**27. Comparing decimal fractions**

**28. Properties of 0**

**29. Multiplying fractions**

**30. Number divisible by 4**

**31. Number divisible by 6**

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

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

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

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

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

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

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

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

**41. Dividing decimals**

**42. Not identical or equivalent to**

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

**44. Answer to a division problem**

**45. To make a percent**

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

**47. odd + odd**

**48. Absolute value of number**

**49. Multiple-event probability**

**50. Dividing fractions**