. Grade 4, Illustrative icon

Using Place Value

Illustrative MathematicsVaries

Each part of this task highlights a slightly different aspect of place value as it relates to decimal notation. More than simply being comfortable with decimal notation, the point is for students to be able to move fluidly between and among the different ways that a single value can be represented and to understand the relative size of the numbers in each place. Part a requires students to use what they know about place value to count forward and backward from a given number by tens, tenths, and hundredths. It makes explicit the connections between place value, counting, and, with the help of some classroom discussion, makes a connection to addition and subtraction.

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