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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. 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.






2. Number divisible by 5






3. Answer to a division problem






4. A shortcut for writing repeated multiplication






5. A fraction whose numerator is greater than its denominator






6. A number with more than two factors






7. An equation showing 2 ratios are equal






8. 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?






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






10. Average A per B






11. To drop a percent






12. Reciprocal of number






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






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






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






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






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






18. Absolute value of number






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






20. Number divisible by 9






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






22. Answer to a multiplication problem






23. Multiplying fractions






24. Percent x whole






25. Number divisible by 4






26. Be identical or equivalent to






27. A value that does not change; any number






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






29. odd + even






30. Comparing positive fractions






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






32. A fraction out of 100 - %






33. 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)






34. Comparing decimal fractions






35. 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






36. Percent increase






37. 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?






38. Simplifying complex fractions: two methods






39. The smallest number in a group of numbers






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






41. A number that results from multiplying a factor by itself






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






43. Number divisible by 2






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






45. Adding/subtracting fractions






46. Standard deviation: greater if...






47. 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






48. 1/5 + 1/4=4/20 +5/20 and 20 is the...






49. Dividing decimals






50. Not identical or equivalent to