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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. Adding/subtracting decimals






2. 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)=






3. Reducing fractions






4. Properties of 1 and -1

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5. Percent increase






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






7. Adding/subtracting fractions






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






9. Number divisible by 4






10. 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






11. odd + odd






12. To find the answer for; solve






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






14. 8x8=64 What is 64?






15. An equation showing 2 ratios are equal






16. A fraction whose numerator is greater than its denominator






17. 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?






18. Dividing decimals






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






20. Properties of 0

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21. Number divisible by 9






22. Standard deviation: greater if...






23. How much a number is worth






24. Multiplying decimals






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






26. To change a percent to a decimal






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






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






29. A shortcut for writing repeated multiplication






30. A fraction out of 100 - %






31. Properties of numbers btw -1 and 1

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32. Mode






33. 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






34. Be identical or equivalent to






35. Number divisible by 3






36. Percent decrease






37. Multiplying fractions






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






39. The largest number in a group of numbers






40. Multiple-event probability






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






42. The smallest number in a group of numbers






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






44. Dividing fractions






45. Absolute value of number






46. odd + even






47. To make a percent






48. The answer to a multiplication problem






49. New whole






50. Average A per B