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I can recognize and make equal forms of fractions, decimals, and percents. I can describe the effects of multiplication and division on fractions and decimals. I can apply and understand place values from the millions to the thousandths and place these numbers on a number line. I can recognize equivalent representations for the same number and make them by decomposing and composing numbers. I can multiply and divide positive rational numbers. I can estimate and justify the results of multiplication and division on positive rational numbers. I can solve problems using ratios and rates. I can identify square and cubic numbers and determine whole number roots and cubes. I can identify the properties of 1, 2, and 3 dimensional shapes using the appropriate geometric vocabulary. I can identify and justify an angle as acute, obtuse, straight or right. I can identify and justify the unit of measure for area and volume – both customary and metric. I can identify similar and congruent shapes. I can solve problems involving the area or perimeter of polygons. I can create polygons and designs with rotational symmetry. I can use spatial visualization to identify isometric representations of mat plans. I can convert from one unit to another within a system of measurement for mass and weight. I can use coordinate systems to construct geometric shapes. I can describe the transformation from a given pre-image using the terms reflection/flips, rotation/turns, and translation/slides. I can draw or use visual models to represent and solve problems. I can formulate questions, design studies, and collect data about a characteristic. I can find the range and measure of center, including median, mode, and mean. I can interpret circle graphs; create and interpret stem-and-leaf plots, and box and whiskers. I can use observations about differences between 2 samples to make conjectures about the populations from which the samples were taken. I can use a model – including diagrams, lists, sample space, or area model, to illustrate the possible outcomes of an event. I can use symbolic algebra to represent unknown quantities in expressions or equations and solve one step equations. I can represent and describe patterns with tables, graphs, pictures, symbolic rules, or words. I can model and solve problems, using multiple representations such as graphs, tables, expressions and one-step equations. I can compare various forms of representations to identify a pattern. I can identify functions as linear or nonlinear from a table or graph. I can construct and analyze representations to compare situations with constant or varying rates of change. I can apply properties of operations – including order of operations, to positive rational numbers. I can solve problems involving elapsed time in hours and minutes. I can use the commutative, distributive, and associative properties to generate equivalent forms for simple algebraic expressions.