What are 3 act math tasks? I describe them as flipping the way we do math problem solving, but there is also an estimation portion that is very powerful. My description of each act follows.
Act 1 - students view an image or short video where they are asked what they notice, they record and then they share with a partner. Teacher can also ask for a few ideas to record as well. Then they watch the video again this time they are asked what they wonder or any questions they have about the video. In this section we "guide" the students to the "main question" that we are going to try to solve. After the main question is decided, the students make an estimate, before sharing their estimates, I suggest having the discussion about what is a too low of an estimate and what is a too high of an estimate. Then students share their estimates and record on a number line the low/high estimate and where their estimate would go.
Act 2 - Students are then asked what information would they need to be able to solve our main question. Then the missing or unknown variables are given. The students/teacher work on planning how to solve. This may be where the teacher does a mini-lesson to remind or guide students.
Act 3 - Solve the problem and interpret the results. Students record how they solve and then share with each other the strategy they used. The answer is then revealed.
Here is a simple explanation in a 3 minute video.
There is also a 11 minute video from Dan Meyer about Math Class Needs a Makeover.
This next powerful video is a 1 hour webinar with Graham Fletchy who describes why you need 3 act math and how to use them in your class. Here is the website it is from:Why you need to use 3 act math in your class
There are lots of 3 act math tasks already made for you, go to gfletchy.com
If you're in Rolling River School Division and you want me to model a 3 act math task in your room, please contact me!
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