Pre-K-2
Encourage students to use
visualization, spatial reasoning, and geometric modeling to build their own
patterns or recreate one from given square arrays.
Pre-K-2
Present an
estimation task and reflect on teaching decisions.
Pre-K-2
Estimate the number of cranberries rather than the number of scoops.
3-5
Two video clips illustrate communication about mathematics among a teacher and her students.
3-5
Use communication as a tool to deepen their understanding of mathematics.3-5
The teacher reflects on her own mathematical learning.
3-5
This applet allows for the exploration of the area of rectangles.
3-5, 6-8
To
find the area of a triangle, try to make a
parallelogram using a copy of the triangle.
3-5, 6-8
When the nine justices of the Supreme Court meet, they greet one another
with a handshake to show harmony of purpose, even though their views
may differ. How many handshakes occur? In general, how many handshakes
occur when there are n people?
Pre-K-2, 3-5
Become confident in facts up to 12 x 12 using visual models that stress the conceptual
aspects of multiplication.
