Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Data and Graphs 1. coordinate grid: a grid used to show ordered pairs. 2. data: pieces of collected information. 3. line graph: a graph that connects points to show how data changes over time. 4. plot: to locate and mark a point named by an ordered pair on a grid. 5. ordered pair: a pair of numbers that names a point on a coordinate grid. 6. scale: numbers that show the units used on graph. 7. trend: a pattern in the data on a line graph, shown by an increase or decrease. 8. x-axis: a horizontal line that includes both positive and negative numbers. 9. y-axis: a vertical line that includes both positive and negative numbers. 10. line plot: a display of responses along a number line with X’s recorded above the responses to indicate the number of times a response occurred. 11. data: collected information 12. integers: the whole numbers and their opposites; 0 is its own opposite. 13. coordinates: the two numbers in an ordered pair. 14. point: an exact location in space. 15. line: a straight path of points that goes on forever in two directions. 16. origin: the point where the two axes of a coordinate plane intersect. The origin is represented by the ordered pair (0,0). 17. coordinate plane: a coordinate grid that extends to include both positive and negative numbers. 18. x-coordinate: the first number in an ordered pair, which names the distance to the right or left from the origin along the x-axis. 19. y-coordinate: the second number in an ordered pair, which names the distance up or down from the origin along the y-axis. Place Value and Number Sense 1. place: the place where the number is located. Example the 3 is in the hundreds place in 314. 2. value: how much the number is worth. Example the value of the 3 in 324 is 300. 3. decimal: a number with one or more places to the right of a decimal point. 4. decimal point: a dot used to separate dollars from cents or ones from tenths in a number. 5. thousandths: one out of 1,000 equal parts of a whole. 6. estimate: to give an approximate value rather than an exact answer. 7. order of operation: the order in which operations are done in calculations. Work inside parentheses is done first. Next, terms with exponents are evaluated. Then multiplication and division are done in order from left to right, and finally addition and subtraction are done in order from left to right. 8. parentheses: Used in mathematics as grouping symbols for operations. When simplifying an expression, the operations within the parentheses are performed first. 9. bracket: A type of grouping symbol used in pairs that tells what operation to complete first. Example [ (2 x 20) + 6]. 10. number expression: an expression that contains numbers and at least one operation. A number expression is also called a numerical expression. 11. exponents: a number that tells how many times the base is used as a factor. Example: 103 = 10 x 10 x 10; the exponent is 3 and the base is 10. 12. algebraic expression: a mathematical phrase involving a variable or variables, numbers, and operations. Example: x-3 13. prime factorization: the process of writing a whole number as a product of its prime factors. Fractions and Decimals 1. decimal point: a dot used to separate dollars from cents or ones from tenths in a number. 2. equivalent fractions: fractions that name the same region, part of a set, or part of a segment. 3. fraction: a fraction is a symbol, such as 2/3, used to name a part of a whole, a part of a set, a location on a number line, or a division of whole numbers. 4. improper fraction: a fraction in which the numerator is greater than or equal to the denominator. 5. mixed number: a number that has a whole number and a fraction. 6. numerator: the number above the fraction bar in a fraction. 7. simplest form: a fraction in which the numerator and denominator have no common factors other than 1. 8. fraction: a symbol, such as 2/3, 5/1, or 8/5, used to describe one or more parts of a whole that is divided into equal parts. A fraction can name a part of a whole, a part of a set, a location on number line, or a division of whole numbers. 9. denominator: the number below the fraction bar in a fraction. 10. benchmark fraction: common fractions used for estimating, such as ¼, 1/3, ½.2/3, and ¾. 11. greatest common factor (GCF): the greatest number that is a factor of two or more given numbers. 12. least common denominator (LCD): the least common multiple of the denominators of two or more fractions. 13. least common multiple (LCM): the least number that is a common multiple of two or more numbers. 14. common denominator: a number that is the denominator of two or more fractions.