ALEX Resources

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Lesson Plans (1) A detailed description of the instruction for teaching one or more concepts or skills. Classroom Resources (2)


ALEX Lesson Plans  
   View Standards     Standard(s): [MA2019] (3) 8 :
8. Determine and justify solutions for two-step word problems using the four operations and write an equation with a letter standing for the unknown quantity. Determine reasonableness of answers using number sense, context, mental computation, and estimation strategies including rounding.
[MA2019] (3) 10 :
10. Identify the nearest 10 or 100 when rounding whole numbers, using place value understanding.

[MA2019] (3) 11 :
11. Use various strategies to add and subtract fluently within 1000.

Subject: Mathematics (3)
Title: Roll 'N Round to Win
Description:

This lesson is a hands-on, game-based lesson. It should be part of a larger unit of study on number sense, estimation, and/or place value. The lesson involves students in a game-based activity which gives them a concrete understanding of the relationship between number values, place value, and the accepted mathematical rule for rounding numbers.

This is a College- and Career-Ready Standards showcase lesson plan.




ALEX Classroom Resources  
   View Standards     Standard(s): [MA2019] (3) 10 :
10. Identify the nearest 10 or 100 when rounding whole numbers, using place value understanding.

Subject: Mathematics (3)
Title: Meatball Mountain: The Odd Squad
URL: https://aptv.pbslearningmedia.org/resource/65e35b34-1163-4d70-82bc-cf88aac814c3/meatball-mountain-odd-squad/
Description:

Otto shows the Confalones how to round numbers up or down using spaghetti and meatballs.



   View Standards     Standard(s): [MA2019] (3) 10 :
10. Identify the nearest 10 or 100 when rounding whole numbers, using place value understanding.

Subject: Mathematics (3)
Title: Rounding to the Nearest Ten or Hundred
URL: https://gpb.pbslearningmedia.org/resource/44f04c90-ce1a-4def-94fa-78102893528c/rounding-nearest-10-or-100/
Description:

Learning to assess the reasonableness of an answer is an important mathematical skill. It’s students' way of seeing if they are on the right track when problem-solving. Sometimes we use rounding to estimate a solution.



ALEX Classroom Resources: 2

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