standard_description: Represent addition and subtraction with objects, fingers, mental images, drawings (Drawings need not show details, but should show the mathematics in the problem. (This applies wherever drawings are mentioned in the Standards.)), sounds (e.g., claps), acting out situations, verbal explanations, expressions, or equations.
problem_activity: Problem 1
Act 1: Watch the video
Gummy Worms
by Kyle Pearce.
a.   What do you notice? What do you wonder?
b.   How many gummy worms are there in total? Make an estimate.
Problem 2
Act 2: Use the following information to determine how many gummy worms there are in total.
[IMG]
There are 7 of each the yellow & black gummy worms and orange & black gummy worms left in the jar.
There are also 3 yellow & orange gummy worms left in the jar.
Problem 3
Act 3: There are 25 gummy worms in total. Was your answer reasonable? Why or why not?
Problem 4
Act 4 (sequel):
Mr. Pearce eats all of the gummy worms he took out of the jar and a few extra still in the jar. In total, he ate an equal number of each of the 3 colors of gummy worms, a total of 18 gummy worms. How many gummy worms does he have left of each color?


aligns: no