ALEX Resources

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Lesson Plans (1) A detailed description of the instruction for teaching one or more concepts or skills. Learning Activities (1) Building blocks of a lesson plan that include before, during, and after strategies to actively engage students in learning a concept or skill. Classroom Resources (4)


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 Learning Activities  
   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] (5) 1 :
1. Write, explain, and evaluate simple numerical expressions involving the four operations to solve up to two-step problems. Include expressions involving parentheses, brackets, or braces, using commutative, associative, and distributive properties.
Subject: Mathematics (3 - 5)
Title: Order of Operations
Description:

This digital tool explains the order of operations when solving a number sentence with more than one operation. This tool has a song to help students remember the order of operations. This digital tool takes the students step by step in solving a number sentence with more than one operations.  




ALEX Learning Activities: 1

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ALEX Classroom Resources  
   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.
Subject: Mathematics (3)
Title: Estimate Sums & Differences of Whole Numbers StudyJam
URL: https://studyjams.scholastic.com/studyjams/jams/math/addition-subtraction/estimate-sums-diffs.htm
Description:

In this interactive activity, students will be led through steps to estimate the sums and differences of whole numbers using rounding and front-end estimation. There are teaching activities as well as practice activities available. After utilizing this resource, the students can complete the short quiz to assess their understanding. 



   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] (4) 3 :
3. Determine and justify solutions for multi-step word problems, including problems where remainders must be interpreted.

a. Write equations to show solutions for multi-step word problems with a letter standing for the unknown quantity.

b. Determine reasonableness of answers for multi-step word problems, using mental computation and estimation strategies including rounding.

[MA2019] (4) 9 :
9. Round multi-digit whole numbers to any place using place value understanding.
Subject: Mathematics (3 - 4)
Title: Estimate Whole Numbers StudyJam
URL: https://studyjams.scholastic.com/studyjams/jams/math/problem-solving/psestimate-whole-numbers.htm
Description:

In this interactive activity, students will be led through steps to estimate numbers by rounding in order to make problems easier to solve. There are teaching activities as well as practice activities available. A handout that reviews the strategies taught during the activity can be printed. After utilizing this resource, the students can complete the short quiz to assess their understanding.



   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.
Subject: Mathematics (3)
Title: Determine the Missing Operation in an Equation StudyJam
URL: https://studyjams.scholastic.com/studyjams/jams/math/algebra/adetermine-missing-operation.htm
Description:

In this interactive activity, students will be led through steps to create and solve equations by identifying the appropriate mathematical operation. There are teaching activities as well as practice activities available. A handout that reviews the steps taught during the activity can be printed. After utilizing this resource, the students can complete the short quiz to assess their understanding.



   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.
Subject: Mathematics (3)
Title: Solving Two-Step Word Problems
URL: https://aptv.pbslearningmedia.org/resource/ea20e285-12cc-4115-9050-e7f1afbf1d58/solving-2-step-word-problems/
Description:

In third grade, students will solve two-step word problems using addition, subtraction, multiplication, and division. For example: There were ten adults and five children at the movies. Each adult ticket costs $8.00 and each child ticket costs $3.00. What is the total cost of all the tickets? The video demonstrates how to solve this problem.



ALEX Classroom Resources: 4

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