# 2nd 6 weeks Math

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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?