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2.OA, NBT Saving Money 2
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CC BY
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This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: Louis wants to give \$15 to help kids who need school supplies. He also wants to buy a pair of shoes for \$39. How much money will he have to save for ...

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
01/02/2013
Add and Subtract numbers to 20 - Word Problems
Conditional Remix & Share Permitted
CC BY-NC-SA
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This short video and interactive assessment activity is designed to teach second graders about adding and subtracting (numbers up to 20) - word problems.

Subject:
Mathematics
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
Date Added:
06/06/2019
Add and Subtract with Common Denominators Word Problems
Conditional Remix & Share Permitted
CC BY-NC-SA
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This short video and interactive assessment activity is designed to teach fourth graders about adding and subtracting fractions - word problems.

Subject:
Mathematics
Material Type:
Assessment
Interactive
Lecture
Provider:
CK-12 Foundation
Provider Set:
CK-12 Elementary Math
Date Added:
06/06/2019
Adding Fractions - Connecting the Models & Algorithm (Part 3)
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CC BY
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VIDEO 3 OF 3 - This video addresses NC standard 5.NF.1. It explains how to connect the use of models for addition/subtraction of fractions to the standard algorithm for adding/subtracting fractions.

Subject:
Mathematics
Material Type:
Activity/Lab
Diagram/Illustration
Reference Material
Teaching/Learning Strategy
Author:
Dawne Coker
Date Added:
06/26/2020
Adding Fractions - Making Estimates Before & After (Part 2)
Unrestricted Use
CC BY
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VIDEO 2 OF 3 - This video addresses NC standard 5.NF.1. It explains strategies for making estimates when adding and subtracting fractions with unlike denominators. Strategies for making estimates before and after problems solving are provided.

Subject:
Mathematics
Material Type:
Activity/Lab
Diagram/Illustration
Reference Material
Teaching/Learning Strategy
Author:
Dawne Coker
Date Added:
06/26/2020
Adding Fractions - Why is a Common Denominator Needed? (Part 1)
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CC BY
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VIDEO 1 OF 3 - This video addresses NC standard 5.NF.1. It explains WHY we create equivalent fractions when adding unlike denominators, and HOW to create equivalent fractions when adding unlike denominators.

Subject:
Mathematics
Material Type:
Demonstration
Diagram/Illustration
Reference Material
Author:
Dawne Coker
Date Added:
06/26/2020
Adding Fractions on the TI-15
Unrestricted Use
CC BY
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This brief video shows students how to enter a fraction into the TI-15 calculator and to add fractions. Students should access to a TI-15 calculator while viewing, This video may be embedded within Google Classroom.

Subject:
Mathematics
Material Type:
Activity/Lab
Diagram/Illustration
Interactive
Teaching/Learning Strategy
Author:
Dawne Coker
Date Added:
06/28/2020
Addition Bag (Decompose Numbers)
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Students decompose numbers less than or equal to 10 into pairs in more than one way by using objects or drawings, and they will record each decomposition by a drawing or equation (e.g. 5= 2 + 3 and 5 = 4+1).

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
K-5 Math Teaching Resources
Author:
K-5 Math Teaching Resources
Date Added:
02/26/2019
Addition Patterns
Unrestricted Use
CC BY
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The purpose of this task is to study some patterns in a small addition table. Each pattern identified persists for a larger table and if more time is available for this activity students should be encouraged to explore these patterns in larger tables.

Subject:
Mathematics
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
08/15/2012