Composing and Decomposing Fractions
as a Sum of Parts
To help students understand fractional parts. Students will compose and decompose fractions as a sum of fractional parts.
Whole Group: Print the student sheet on regular paper
Math Center: Print the student sheet on cardstock and laminate.
Student will partition the area models to represent the
fractional sum of parts.
3.3D compose and decompose a fraction a/b with a numerator greater than zero and less than or equal to b as a sum of parts 1/b
3.NF.1 Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
This activity contains 4 non-student pages (cover sheet, instructions, TpT info and credits).