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. (Grade 3 expectations in this domain are limited to fractions with denominators 2, 3, 4, 6, and 8.)
Related Lessons
3rd Grade
Comparing and Ordering Fractions
Lesson 303
Compare fractions with the same numerator and different denominators. Compare and order fractions using bar models. Represent one whole using a fraction with equal numerator and denominator.
3rd Grade
Identifying and Comparing Fractions
Lesson 302
Explore the meaning and relationship of the numerator and denominator in fractions. Identify fractions from visual representations such as rectangles, bars, and circles. Compare fractions with the same numerator and different denominators.
3rd Grade
Measuring with Halves or Fourths
Lesson 401
Join Ms. Askew for a fun Fraction Number Talk. We'll measure length in halves or quarters of an inch.
3rd Grade
Measuring with Rulers
Lesson 402
Join Ms. Askew for a fun Fraction Number Talk. We'll measure length using a ruler marked with halves and quarters of an inch.
3rd Grade
Interpret Line Plots
Lesson 403
Join Ms. Askew for a fun Fraction Number Talk Sort. We'll also make sense of line plots with lengths in halves and quarter inches.
