About This Lesson
Addition and subtraction PowerPoint using 2 and 3 digit numbers. The presentation gives children 30 seconds to work out the answers before showing them on the screen. Great mental math exercise.
Subject
Math — Number and Operations in Base 10
Grade Level
Grades 3-5
Resource Type
Activity
License
Resources
Reviews
5.0
2 Reviews
SML Member
January 03, 2012
superbly set out and tested on my own children they loved the challenge and the timing is just right.
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Lovely resource - well presented, thanks.