K-5 friendly lesson
One small step at a time.Read the idea, try the activity, and celebrate each win as you go.
Use place value to add two-digit numbers - with regrouping
When ones make 10 or more, regroup them into a ten and keep going.
Do this: Read the concept below, then try the quiz or activity.
Lesson 49 of 186
Concept
Example: 38 + 27
Ones: 8 + 7 = 15 ones Regroup 15 ones = 1 ten and 5 ones
Tens: 3 tens + 2 tens + 1 regrouped ten = 6 tens
Answer: 65
Place-value view keeps addition organized and clear.
Try it
Add: 1. 46 + 28 2. 57 + 19 3. 35 + 47 4. 68 + 16 5. 29 + 34