Khan Academy: Adding 53+17 by Making a Group of 10

Sal adds 53+17 by breaking apart the numbers and making a group of 10. [3:35]

Sal adds 8 + 7 by making a group of ten. Includes a video, transcript, and question and answer section. [3:18]

Sal demonstrates adding 7 + 6 using a number line. Includes a video, transcript, and question and answer section. [3:53]

Sal adds 1, 10, or 100 to 235. Includes a video, transcript, and question and answer section. [3:58]

Sal adds 3-digit numbers by adding ones, tens, and hundreds. Includes a video, transcript, and question and answer section. [3:36]

Sal talks about the difference between adding 1 and adding 10 in this Khan Academy video. [2:16]

Demonstrates how to count pieces of fruit and make a group of ten to find the sum of 8 + 7. [3:18]

Practice adding two-digit numbers by making tens on Khan Academy. If you are stuck, watch a refresher video or choose to get a hint. Test yourself to see how many you can get correct!

Watch as Sal adds 5 + 3 + 6 in two different ways. Includes a video, transcript, and question and answer section. [2:37]

Sal adds 5+68 by breaking the 5 into a 2 and a 3 in this Khan Acadamy video. [2:50]