Computation+with+Rational+Numbers

toc ACOS Objective 1


 * Demonstrate computational fluency with addition, subtraction, multiplication, and division of decimals and fractions.**

ARMT Possible Points = 9 (MC, GR)
 * Mixed numbers may be used.
 * Common and uncommon denominators may be used.
 * Fractions may be in simplest form.
 * No word problems/context problems will be used.
 * No calculators may be used.
 * One of the options may be NH, which means “Not Here.”

[|Fun with Fractions] Unit from NCTM that uses plastic eggs and egg cartons.

[|Pattern Block Fractions] Great set of lessons from Cynthia Lanius using pattern blocks to explore fractional relationships.

=Subtracting Mixed Numbers=

[|Subtracting Mixed Number Fractions with Borrowing Learning Activity] Interactive lesson from Wisconsin Online