Teaching Resource
Compensation Strategy for Subtraction – Interactive PowerPoint
PowerPoint | 16 pages|Grades: 2 - 3A 16-slide, editable PowerPoint that focuses on the compensation strategy for subtraction.
This teaching presentation uses animations to outline the compensation strategy when subtracting. The process is shown with rounding and on a number line to enhance the students’ grasp of the concept.
Use this PowerPoint to introduce the concept, or use it as a review tool to reinforce the process.
Use the pen tool during Slide Show mode to complete the problems.
Common Core Curriculum alignment
- CCSS.MATH.CONTENT.2.NBT.B.6
Add up to four two-digit numbers using strategies based on place value and properties of operations.
- CCSS.MATH.CONTENT.2.OA.B.2
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
- CCSS.MATH.CONTENT.3.NBT.A.1
Use place value understanding to round whole numbers to the nearest 10 or 100.
- 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.
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MathematicsNumber and OperationsOperationsSubtractionTeaching PresentationsSubtraction Strategies
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