A set description and word problems intro.
D measurement is approximate rounding measurements E definition.
A infinite sets B dividing tens dividing tens and ones, ex. 131 divided by 2 number line and negative and positive numbers negative numbers adding negative numbers C addition of whole numbers and fractions fractions equal whole numbers D intro. B comparing numbers adding a positive and a negative number adding a negative and positive number numberline for fractions adding fractions with a numberline C correlation between division and fractions fractions equal mixed numbers correlation between division of fractions and mixed numbers D definition of coordinate system, coordinates, horizontal axis, vertical axis.