'Adding decimals' presentation slideshows

Adding

Adding. Adding by Partitioning Vertically. 1 5 6. +. 2 3 2. 3 0 0. 1 0 0 + 200. 8 0. 5 0 + 3 0. 8. 6 + 2. 3 8 8. 3. 5. 2. 7. 1. 1. Formal Written Method. Partitioning Vertically. 2 3 7 8. 2 3 7 8. +. 1 1 4 9. +. 1 1 4 9. 3 0 0 0. 4 0 0. 1 1 0. 1 7.

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Mathematics Lesson Grade 3: Money: Adding Decimals

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Properties o f Addition

Properties o f Addition. Identity Property of Addition. a + 0 = a 17 + 0 = ? 17 -123 + 0 = ? -123. Commutative Property of Addition. Changing the order of the addends does not change their sum. a + b = b + a 23 + 17 = 17 + 23 50 + 2 = 2 + 50. NO SUCH THING!.

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This Week I Learned . . .

This Week I Learned. By: Grace Silverstein. About Decimal Place Values. About Comparing Decimals. Symbol Key < more than > less than = equal to. About Adding and Subtracting Decimals.

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Adding and Subtracting Decimals

238 views • 7 slides

355 views • 6 slides