Sal solves addition and subtraction equations with number 10 or less. Includes a video, transcript, and question and answer section.

Watch as Sal adds and subtracts fruit. Includes a video, transcript, and question and answer section.

Sal shows how to subtract 357-251 (without regrouping) using place value. Includes a video, transcript, and question and answer section. [2:56]

Sal demonstrates visually how to subtract 3-digit numbers by subtracting ones, tens, and hundreds. Includes a video, transcript, and question and answer section. [3:11]

Sal subtracts 1, 10, or 100 from a number using a visual demonstration. Includes a video, transcript, and question and answer section. [4:10]

Sal shows various examples to explain that the equals sign means the same amount or quantity. Includes a video, transcript, and question and answer section. [4:55]

Sal solves word problems comparing 2 numbers. The numbers in the problems are less than 10. Includes a video, transcript, and question and answer section. [3:13]

Sal solves word problems comparing 2 numbers. The numbers in the problems are less than 10. Includes a video, transcript, and question and answer section. [3:22]

See why Sal subtracts 14 - 6 by first thinking about subtracting 2 and 4. Includes a video, transcript, and question and answer section. [4:02]

Sal solves a word problem about sharks by subtracting numbers less than 10. Includes a video, transcript, and question and answer section. [1:02]

Sal demonstrates the relationship between addition and subtraction using objects. Includes a video, transcript, and question and answer section. [2:05]

Sal talks about what it means to subtract using objects. Includes a video, transcript, and question and answer section. [3:37]

Sal solves 1 addition and 1 subtraction word problem involving superheroes and sea monsters. Includes a video, transcript, and question and answer section. [3:37]

Sal solves addition and subtraction word problems involving exercising gorillas and cookies. Includes a video, transcript, and question and answer section. [5:31]

Sal demonstrates how to subtract 23 from 65 (without regrouping) by thinking about tens and ones. Includes a video, transcript, and question and answer section. [2:36]

Sal subtracts 4 from 46 by thinking about place value. Includes a video, transcript, and question and answer section. [2:44]