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Number Sense Vocab

Subjects : math, number-sense
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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