Debug Algorithm
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8:49
Decomposing: Addition Notations
This video will solve an addition equation in three different addition notations using decomposing. Next, the video focuses on comparing those notations to the traditional algorithm.
Includes:
♦ 4 addition notation pages from the video
For worksheets in the notation of the Starting with the 2nd Addend example from the video, check out Addition Notations: Arrow Language.
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More Video Fun:
Treasure Number Lines: Where is the Answer on
2nd - 4th
Arithmetic, Basic Operations, Math
3-Digit Subtraction Strategy Videos + Anchor Charts Regrouping Help
Support every learner with these 3-digit subtraction regrouping strategy videos, created by a certified teacher using student-friendly language and clear math visuals. Each video is filmed marker-to-paper from above, guiding students through five subtraction strategies with step-by-step modeling and appropriate math vocabulary. Perfect for differentiation, mental math development, and offering alternatives to the standard algorithm, these videos help students build confidence and indep
3rd - 5th
Basic Operations, Math, Math Test Prep
CCSS
3.NBT.A.2
, 4.NBT.B.4
Also included in: Addition & Subtraction Strategy Videos + Anchor Charts for 3rd Grade
3-Digit Addition Strategy Videos + Anchor Charts Regrouping Help
Help students master 3-digit addition with regrouping using these step-by-step strategy videos, created by a certified teacher and designed with student-friendly language and clear math visuals. Each video is filmed marker-to-paper from above, modeling five effective strategies to build confidence and fluency. Perfect for differentiation, mental math development, and offering alternatives to the standard algorithm, these videos support diverse learners with closed captioned versions fo
3rd - 5th
Basic Operations, Math, Mental Math
CCSS
3.NBT.A.2
, 4.NBT.B.4
Also included in: Addition & Subtraction Strategy Videos + Anchor Charts for 3rd Grade
Addition & Subtraction Strategy Videos + Anchor Charts for 3rd Grade
Support every learner with these step-by-step addition and subtraction strategy videos, created by a certified teacher using student-friendly language and clear math visuals. This resource includes 10 instructional videos (plus 10 closed-captioned versions) that walk students through 3-digit regrouping strategies using marker-to-paper modeling filmed from above. Perfect for differentiation, mental math development, and offering alternatives to the standard algorithm, these videos help
3rd - 5th
Basic Operations, Math, Math Test Prep
CCSS
3.NBT.A.2
, 4.NBT.B.4
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