Video Series: How to Solve Number Problems Mentally

Last year, I have written a tutorial on How to Solve Number Problems Mentally. This article has been turned into a math tutorial video in Youtube under the Sipnayan channel. Sipnayan is a Youtube Channel which contains math tutorial videos in Tagalog.

Embedded below are the three videos in the series.

Part 1 solves the following problem:

One number is 3 more than the other. Their sum is 45. What are the numbers?

Part 2 solves the following problem:

The sum of two numbers is 53. One number is 7 less than the other. What are the numbers?

Part 3 solves the following problem:

One number is twice the other number. Their sum is 45. What are the numbers?

Enjoy learning. If you have questions or comments, please type them below.

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