lesson
Adding Three Two-Digit Numbers
Add three two-digit numbers together using the standard algorithm.
Updated 1 month ago · 5 views
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This lesson is part of a track
Public learning track
Two-Digit Subtraction and Multi-Addend Addition
6 lessons
Goal
Master two-digit subtraction with and without regrouping, including across zeros, and extend addition to three or four two-digit addends.
6 lessons
0 of 6 done
- Two-Digit Subtraction Without RegroupingUp next
- Two-Digit Subtraction With Regrouping Tens to OnesNot started yet
- Two-Digit Subtraction With Regrouping (Mixed Practice)Not started yet
- Two-Digit Subtraction Across ZerosNot started yet
- Adding Three Two-Digit NumbersYou are here
- Adding Four Two-Digit NumbersNot started yet
Learning standards covered
111.4(b)(1)(C)Texas Essential Knowledge and Skills (TEKS) · Math · 2nd Gradeselect tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems;
Open Global Standard:OGM.3.NBT.5OGM.3.MP.1
111.4(b)(1)(D)Texas Essential Knowledge and Skills (TEKS) · Math · 2nd Gradecommunicate mathematical ideas, reasoning, and their implications using multiple representations, including symbols, diagrams, graphs, and language as appropriate;
Open Global Standard:OGM.3.MP.1
OGM.3.NBT.5OGM.3.MP.1