Model with inequalities.
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This lesson includes a three-act task for Anchor Problem #1, aligned to the objective. The Problem Set Guidance includes and recommends spiraled review of skills and concepts from the unit.
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Use Andrew Stadel's 3-Act Math Task Sweet Snacks for this problem.
Show Act 1 video (46 seconds)
Ask:
Show Act 2 video (26 seconds)
Ask:
Show Act 3 – The solution (53 seconds)
Ask:
Sweet Snacks from Andrew Stadel's 3-Act Math Tasks is made available by Andrew Stadel. Accessed Nov. 9, 2017, 5:52 p.m..
Modified by The Match Foundation, Inc.?
The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
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Isaiah is filling 12 small plastic bags with candy for a party. He puts 2.5 pounds of candy into each bag, but then he reads on the package that there is a recommended weight limit so the bags do not break. Isaiah then takes out the same amount of weight from each bag.
a. $$12x-2.5≤21$$
b. $$12(2.5-x)≤21$$
c. $$12(x-2.5)≤21$$
d. $$21-12x≤2.5$$
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