Curated OER
Halves, Thirds, and Sixths
An excellent activity that effectively pulls together the concepts of area, fractions, and equivalent fractions! Using 3x2 rectangular arrays, 3rd graders are introduced to the concept of area in terms of square units. Building on this...
PHET
Build a Fraction
Build on knowledge of fractions to build fractions. Pupils use interactives that require building fraction models for given fractions or mixed numbers and identifying fractions or mixed numbers for given models. A lab area lets users...
Illustrative Mathematics
Representing Half of a Circle
Geometric shapes make great visual models for introducing young mathematicians to the concept of fractions. Looking at a series of four circles, students are asked to determine whether or not one half of each circle is shaded. To support...
Curated OER
The Same
These monsters are only half-drawn! Challenge scholars to observe the line of symmetry and draw in the other half to reflect the first half. There are six simple monsters in all, and scholars can color them in once finished (encourage...
Curated OER
Pizza for Everyone
Pizza is the inspiration for the cross-curricular lesson detailed here. Start out with a poem about pizza and move into a discussion about balanced eating. To close the language arts portion of the lesson, ask your pupils to write...
Curated OER
A Field of Beans
Beans, or legumes as they are sometimes called, are the topic for an integrated multi-subject lesson. Youngsters will read, write, observe, and research everything there is to know about beans. They read a bean story, conduct a bean...
PBS
Pbs Learning Media: Three Equal Shares
In this video segment from Cyberchase, the CyberSquad must divide a wreath into three equal parts to satisfy the demands of the Three Fates.
Better Lesson
Better Lesson: Area With Halves
Fractions can be used to understand halves of a unit square.
Better Lesson
Better Lesson: Length X Width
Breaking figures into smaller squares and rectangles allows me to multiply to find the area