If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Early math review

Unit 5: Lesson 4

Intro to addition with 2-digit numbers
Math
Early math review
Addition and subtraction within 100
Intro to addition with 2-digit numbers
© 2023 Khan AcademyTerms of usePrivacy PolicyCookie Notice

Regroup when adding 1-digit numbers

CCSS.Math: 1.NBT.C.4, 2.NBT.B.5
Google Classroom

Problem

38, plus, 4, equals
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
Stuck?
Stuck?