ALEX Classroom Resources

ALEX Classroom Resources  
   View Standards     Standard(s): [MA2019] (4) 10 :
10. Use place value strategies to fluently add and subtract multi-digit whole numbers and connect strategies to the standard algorithm.
Subject: Mathematics (4)
Title: Tune-up: Adding and Subtracting With Regrouping
URL: https://aptv.pbslearningmedia.org/resource/adding-and-subtracting-with-regrouping/skills-on-demand/
Description:

In this short practice, students review how to add and subtract by regrouping with an instructional video, examples, and practice questions.



   View Standards     Standard(s): [MA2019] (4) 10 :
10. Use place value strategies to fluently add and subtract multi-digit whole numbers and connect strategies to the standard algorithm.
Subject: Mathematics (4)
Title: Subtraction With Regrouping StudyJam
URL: https://studyjams.scholastic.com/studyjams/jams/math/addition-subtraction/sub-with-regroup.htm
Description:

In this interactive activity, students will be led through steps to subtract multi-digit numbers using the strategy of regrouping. There are teaching activities as well as practice activities available. A handout that describes strategies taught during the interactive is available to be printed. After utilizing this resource, the students can complete the short quiz to assess their understanding.



   View Standards     Standard(s): [MA2019] (4) 10 :
10. Use place value strategies to fluently add and subtract multi-digit whole numbers and connect strategies to the standard algorithm.
Subject: Mathematics (4)
Title: Subtracting Within 1000: Three-Digit Numbers and Regrouping
URL: https://aptv.pbslearningmedia.org/resource/qotam19nqcq/regrouping-when-subtracting-three-digit-numbers-khan-qotam19nqcq/
Description:

When there aren't enough tens (or hundreds, etc.) to subtract with, we can borrow (also called regrouping). This module provides videos and practice problems that demonstrate the standard algorithm for subtraction



ALEX Classroom Resources: 3

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