3. 2 Digit + 1 Digit with Regrouping
Add a 2 digit number and a 1 digit number, which requires regrouping ones to make tens (or carry at ones). Students are already familiar with visualizing a ten as a bundle of 10 ones. 2 Digit Plus 1 Digit Addition with Regrouping Worksheet starts with some practice of regrouping ones as a ten and some leftovers. Direct problems on addition follow later.
Common Core Alignment
2.NBT.5Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.