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7.1 decimals fractions integers rational number percent scientific notation exponential form exponent 7.2 rational number expression ratio order of operations 7.3 commutative properties associative properties distributive property identity property inverse property multiplicative property of zero variables product sum difference quotient real number identity elements inverse elements additive opposite reciprocal 7.4 tips discount simple interest sales tax base price rate of discount original price proportions ratio percent Grade 7 – Essential Vocabulary 7.5 integers absolute value number line coordinate graph origin opposites 7.6 ratio proportion scale-model/drawings rate unit rate corresponding dimensions corresponding parts extremes means equivalent fractions term rational number scale factor percent similar 7.7 area perimeter polygons formula base height length width side congruent estimate rectangle right triangle curcumference radius diameter 7.8 volume surface area rectangular prism cylinder nets faces adjacent sides base pi radius two-dimensional three-dimensional cube 7.9 quadrilaterals parallelogram rectangle square rhombus trapezoid parallel congruent isosceles trapezoid diagonals perpendicular bisector common attributes non-parallel Venn diagrams 7.10 polygon plane figure pentagon hexagon heptagon octagon nonagon decagon compass protractor 1 7.11 similar figures proportions corresponding parts proportional percentage/part base number/whole ratios 7.12 coordinates of a point coordinate plane plane x-axis y-axis origin quadrants ordered pairs horizontal vertical relation domain range 7.13 rotation translation fixed point center of rotation origin 7.14 theoretical probability experimental probability simple event outcome sample space simulation Grade 7 – Essential Vocabulary 7.15 tree diagram Basic Counting Principle sample space 7.19 functional relationship geometric sequence arithmetic sequence 7.16 measures of central tendency mean median mode range outlier 7.20 algebraic expression algebraic equation substitution verbal expression verbal sentence inequality 7.17 frequency distribution line plot histogram bar graph stem-and-leaf plot box-and-whisker plot scattergram tally lower extreme lower quartile median upper quartile upper extreme range interquartile range 7.21 equation inequality expression coefficient algebraic term term variable 7.22 linear equation linear inequality inverse operations one-step equation one-step inequality 7.18 inference conjecture prediction 2
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