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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. Natural Numbers - Whole Numbers - Integers - Rational Numbers






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






3. Not identical or equivalent to






4. Answer to a multiplication problem






5. Multiplying decimals






6. odd + odd






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






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






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






10. Comparing decimal fractions






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






12. Absolute value of number






13. Number divisible by 3






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






15. Multiplying fractions






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






17. 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






18. odd + even






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






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






21. Percent x whole






22. 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






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






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






25. 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.






26. A fraction out of 100 - %






27. 1/5 + 1/4=4/20 +5/20 and 20 is the...






28. To drop a percent






29. A number with more than two factors






30. Reducing fractions






31. Dividing decimals






32. 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)=






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






34. 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)






35. Standard deviation: greater if...






36. An equation showing 2 ratios are equal






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






38. Number divisible by 6






39. Number divisible by 2






40. The answer to an addition problem






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






42. 8x8=64 What is 64?






43. The answer to a multiplication problem






44. Adding/subtracting fractions






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






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






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






48. Properties of 1 and -1

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






50. 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)







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Can you answer 50 questions in 15 minutes?


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