Khan Academy
Singapore Math: Grade 3a, Unit 2 (Part 11)
Solving two-step word problems is a great way to build strong critical thinking and creative problem-solving skills. This video showcases three-word problems involving multi-digit addition or subtraction. Sal highlights essential...
Curated OER
Singapore Math: Grade 3a, Unit 2 (Part 3)
Using three-digit numbers, this video discusses the process used to add and subtract with regrouping. The instructor also focuses on determining when and when not to regroup. It describes precisely what is happening when a problem...
Curated OER
Singapore Math: Grade 3a, Unit 2 (part 11)
Solving 2-step word problems is a great way to build strong critical thinking and creative problem-solving skills. This video showcases three word problems involving multi-digit addition or subtraction. Sal highlights important...
CK-12 Foundation
Ck 12: Elem Math: Overview of Mixed Operations Numbers to 100 Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows one review problem with mixed operations where students have to add and subtract two-digit numbers.
CK-12 Foundation
Ck 12: Elem Math: Overview of Adding and Subtracting 3 Numbers Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to add and subtract three, two-digit numbers.