Mathematics 3 Quarter 1 – Module 15(b): Subtracting Mentally 2 to 3–Digit Numbers

This module was designed and written with you in mind. It is here to help you comprehend whole numbers, and perform mental math. The scope of this module permits it to be used in many different learning situations. The language used recognizes your diverse vocabulary backgrounds. The lessons are arranged to follow the standard sequence of the course but the order in which you read them can be changed to correspond with the Mathematics Grade 3 learning materials you are using.

After going through this module, you are expected to:

1. Subtract mentally 2 to 3– digit numbers with multiples of hundreds without and with regrouping

Enjoy your journey. Good luck!


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