2nd 6 weeks Math

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2nd 6 weeks Math
2010-10-26 08:20:22
Math Review 2nd weeks

Graphs and Multiplication Review Terms
Show Answers:

  1. What is data?
    Information collected about people or things
  2. What is a tally?
    A mark used to show how often something happens
  3. Which graph uses pictures to show data?
    A pictograph
  4. Which graph shows frequency over a period of time?
    A line plot
  5. What is a survey?
    A method of gathering data by asking questions to a group of people
  6. What is an interval?
    The distance between the numbers on the scale
  7. What is a scale?
    A series of numbers placed at fixed distances to label a graph
  8. What is a range?
    The difference bdtween the least and the greatest values in a set of data
  9. What is inverse operation?
    Multiplication and division by the same number are opposite operations, or inverse
  10. What is a fact family?
    A set of related multiplication and division (also addition and subtraction) equations using the same numbers
  11. What is a multiple?
    The product of a given number
  12. What is a factor?
    A number multiplied by another number to find a factor
  13. What is a product?
    The answer to a multiplication problem
  14. What is this an example of?
    (4 x 2) x 3 = 4 (2 x 3)
    Associative Property of Multiplication- grouping of factors is changed, but the product remains the same
  15. What is this an example of?
    1 x 7 = 7
    Identity Property of Multiplication- the product of 1 and any number is that number
  16. What is this an example of?
    0 x 8 = 0
    Zero Property of Multiplication- the product of 0 and any number = 0
  17. What is this an example of?
    3 x 4 = 4 x 3
    Commutative Property of Multiplication- you can multiply two factors in any order and get the same product
  18. What is an equation?
    • A number sentence which states that two amounts are equal
    • Example: 4 x 3 = 6 x 2
    • 12 = 12
  19. What are compatible numbers?
    Numbers that are easy to compute mentally (in your head)