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Educational Use
Solving word problems with base ten blocks.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Lecture
- Date Added:
- 04/08/2023
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Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach fourth graders about solving for elapsed time related to rate.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach third graders about solving for elapsed time related to rate.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach third graders about solving for elapsed time in a sequence of events - word problems.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Unrestricted Use
CC BY
This task uses language, "half of the stamps," that students in Grade 5 will come to associate with multiplication by the fraction 12. In Grade 3, many students will understand half of 120 to mean the number obtained by dividing 120 by 2. For students who are unfamiliar with this language the task provides a preparation for the later understanding that a fraction of a quantity is that fraction times the quantity.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Activity/Lab
- Provider:
- Illustrative Mathematics
- Provider Set:
- Illustrative Mathematics
- Author:
- Illustrative Mathematics
- Date Added:
- 07/05/2012
Unrestricted Use
CC BY
Students practice counting forward or backward in this class activity.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Activity/Lab
- Provider:
- Illustrative Mathematics
- Provider Set:
- Illustrative Mathematics
- Author:
- Illustrative Mathematics
- Date Added:
- 07/20/2012
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach fifth graders about subtracting mixed numbers with different denominators.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach second graders an overview of subtraction (numbers to 100).
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach second graders about subtracting 3 numbers - word problems.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach fifth graders about adding fractions with common denominators.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach fifth graders about subtracting fractions with different denominators.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach fifth graders about subtracting mixed numbers with common denominators.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach second graders about subtracting one-digit numbers - word problems.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach second graders an overview of subtraction (numbers up to 20).
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach third graders about subtraction: completing the subtraction sentence.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach fourth graders about subtraction: completing the subtraction sentence.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This is a video and interactive assessment activity designed to help first graders learn about subtraction word problems up to twenty.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This video and accompanying interactive assessment practice was designed to teach Two-step Subtraction (Numbers to 100) - Word Problems to first graders.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach second graders an overview of subtraction (numbers up to 10).
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023
Conditional Remix & Share Permitted
CC BY-NC-SA
This short video and interactive assessment activity is designed to teach second graders about subtracting by counting backward with pictures.
- Subject:
- Mathematics
- Numbers and Operations
- Material Type:
- Assessment
- Interactive
- Lecture
- Provider:
- CK-12 Foundation
- Provider Set:
- CK-12 Elementary Math
- Date Added:
- 04/08/2023