A 13-slide, editable teaching presentation that focuses on using compatible numbers as a subtraction strategy.
This teaching presentation outlines using compatible numbers as a subtraction strategy. It includes example slides that break down the steps involved in this strategy, and it uses animation to help visualize the process.
Use the pen tool during Slide Show mode to work through the examples in a guided setting.
You can easily create additional examples in this PowerPoint by duplicating slides and altering the number sentences.
Common Core Curriculum alignment
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Count within 1000; skip-count by 5s, 10s, and 100s.
Add up to four two-digit numbers using strategies based on place value and properties of operations.
Use place value understanding to round whole numbers to the nearest 10 or 100.
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