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Number Sense Vocab

Subjects : math, number-sense
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. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.






2. The answer to a subtraction problem






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






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






5. 8x8=64 What is 64?






6. Simplifying complex fractions: two methods






7. To change a percent to a decimal






8. Properties of 1 and -1

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






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






11. Number divisible by 4






12. Standard deviation: greater if...






13. 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)






14. The smallest number in a group of numbers






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






16. A fraction whose numerator is greater than its denominator






17. Natural Numbers - Whole Numbers - Integers - Rational Numbers






18. 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






19. Absolute value of number






20. Percent decrease






21. 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)






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






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






24. A number made up of a whole number and a fraction






25. Able to be divided evenly (without a remainder)






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






27. To find the answer for; solve






28. Median






29. Reducing fractions






30. Average A per B






31. 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?






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






33. A number with more than two factors






34. A fraction out of 100 - %






35. Reciprocal of number






36. Properties of numbers btw -1 and 1

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37. 1/5 + 1/4=4/20 +5/20 and 20 is the...






38. The answer to a multiplication problem






39. A letter that represents a value that may change






40. Mode






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






42. Adding/subtracting decimals






43. In 4x4=16 - what is 4?






44. odd + even






45. 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






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






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






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






49. Percent increase






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