Using Addition to Check Subtraction- The Asterisk Method for Inverse Operation

Using Addition to Check Subtraction- The Asterisk Method for Inverse Operation
Using Addition to Check Subtraction- The Asterisk Method for Inverse Operation
Using Addition to Check Subtraction- The Asterisk Method for Inverse Operation
Using Addition to Check Subtraction- The Asterisk Method for Inverse Operation
Grade Levels
Common Core Standards
Product Rating
4.0
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File Type

Presentation (Powerpoint) File

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168 KB|9 pages
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Product Description
This is an animated PowerPoint designed to show students a method for using the inverse operation to check their subtraction. The focus is on 3-digit numbers with and without regrouping. It includes a slide to be printed for guided practice and a slide to be printed for independent practice with answer key. It ends with a teamwork activity for cooperative groups. This presentation supports: CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction
Total Pages
9 pages
Answer Key
Included
Teaching Duration
40 minutes
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