CFA's assess the following skills: basic fraction number lines, parts of a set, sequencing fractions, shading parts to represent given fraction, equivalent fractions, and advanced number lines.
3.NF.A.1 Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts
3.NF.A.2 Understand a fraction as a number on the number line; represent fractions on a number line diagram.
3.NF.A.3 Explain equivalence of fractions, and compare fractions. Recognize and generate simple equivalent fractions, e.g., 1/2 = 2/4, 4/6 = 2/3 Compare two fractions with the same numerator or the same denominator by reasoning about their size.
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We supplement our core curriculum with several weeks of targeted leveled instruction in fractions. These 5 CFA's are designed to be given as a pretest, in between testing, and a post test at the end. These reflect the skills 3rd grade students are expected to perform on the SBAC. After giving the pretest sort and level the students into groups according to the skills they need strategic instruction in. After several days of strategic instruction on the skill give the next CFA and resort and level the students. Continue this cycle until your are satisfied with the level of fraction skill mastery by your students. We often run this cycle of intervention group simultaneously with our core fraction unit.
5 answer keys
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