Thinkster is proud to announce the acquisition of AI EdTech company as part of our family post acquisition.
See Press Release for Details

Addition with Regrouping

Adding 4 digit numbers, with regrouping of numbers to its place value and applying the same to word problems.

Mapped to CCSS Section# 4.NBT.B.4

Fluently add and subtract multi-digit whole numbers using the standard algorithm.
Try Sample Question