Investigations 3
LightNews LightNews
banner
inv3math.bsky.social
Investigations 3
@inv3math.bsky.social
370 followers 600 following 190 posts
The Investigations Center for Curriculum and Professional Development supports users of Investigations, the K-5 math curriculum developed at TERC. investigations.terc.edu
Posts Replies Media Videos
inv3math.bsky.social
If you're curious what a conversation like this might sound like, check out this Dialogue Box that shows how it went in a 2nd grade field test classroom.
p1 of a Dialogue Box showing how one grade 2 conversation about Near Doubles went p2 of a Dialogue Box showing how one grade 2 conversation about Near Doubles went
September 25, 2025 at 8:37 PM
inv3math.bsky.social
Later, kids get Fact Cards for this set of facts. These cards focus on using what you know to solve the ones you don't yet know. Kids sort them into envelopes of Facts I Know and Facts I'm Still Working On.
An image of a "Fact Card" for 6+7 and 7+6 where a child has filled in the clue line: "6+6+1"
September 25, 2025 at 8:37 PM
inv3math.bsky.social
After working through two sets of related problems, they talk about what they might call them, and generate other examples.
An image from the Investigations curriculum showing more of the conversation about Near Doubles, how the class comes to name them, and generate more problems that might count as Near Doubles or Doubles Plus or Minus 1.
September 25, 2025 at 8:37 PM