Illustrative Mathematics
Illustrative Mathematics: Saving Money 2
The purpose of this task is for young scholars to relate addition and subtraction problems to money and to situations and goals related to saving money. A problem is given that will contain multiple solutions, this allows students to...
Illustrative Mathematics
Illustrative Mathematics: Pencil and a Sticker
The following problem is posed to the class: A pencil costs 59 cents, and a sticker costs 20 cents less. How much do a pencil and a sticker cost together? The solution with explanation is included on this site.
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Better Lesson: Getting Paid for Our Work
Second graders see how money is used to buy and sell items. They will participate in an activity to see how people get money.
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Better Lesson: Addition in the Real World
Think of addition in the real world as the joining of two parts to make a whole. The use of addition number sentences can show how we join the parts to make the whole.
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Better Lesson: Any Order
The numbers in an addition number sentence (addends) can be added in any order and the sum remains the same.
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Better Lesson: Cheerful Shoppers
Second graders love to shop! Students will use their own shopping list to compose a word problem using addition and subtraction with and without regrouping, in order to help them better understand how to problem solve.
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Better Lesson: Math Hunt Part 2
SWBAT take the data from class and home and create comparisons of the different ways math is used by adults.
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Better Lesson: Let's Compare
A comparison is not the addition of two numbers, but a difference. Seeing the visual difference is the focus of this lesson.
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Better Lesson: Let's Review
Revisit, Revisit, Revisit! Students need repeated exposure to math concepts to really understand how they work.
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Better Lesson: Terry's Taco Shack: What Does "How Many More" Mean?
Second graders oftentimes struggle with comparison problems since there is no "action" in the problem (i.e.: nothing is getting taken away or added). For this lesson, 2nd graders practice strategies for solving comparison problems.
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Better Lesson: Change Unknown Word Problems With Number Lines
Second graders solve change unknown story problems using a number line. This lesson gives students a new strategy to attach change unknown word problems.
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Better Lesson: The Neighbors of Doubles
The big idea of this lesson is that students can solve for near doubles by thinking of the related doubles fact.
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Better Lesson: More Than Two Numbers
The big idea of this lesson is that three (or more) numbers can be grouped together and added. The order of this grouping doesn't matter.
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Better Lesson: Math'n It Up!
Given a two-step word problem students will be ask to solve, and create their own math model of the given problem.
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Better Lesson: Double Trouble
Second graders can think about doubles facts as world situations to help commit them to memory.