Lesson 1: Adding and Subtracting Decimals

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Lesson 1: Adding and Subtracting Decimals First Nine Weeks TOPIC I: Operations with Whole Numbers, Fractions and Decimals NS 2.3 6

OBJECTIVE- I will be able to: VOCABULARY Add and subtract decimals fluently using the standard algorithm VOCABULARY addends sum difference Essential Question- How do you find the sum or difference of decimals?

2 3 5 7 9 1 4 1 6 2 5 3 8 Sums and Differences with Decimals Find the sum or difference. 2.2 + 3.579 + 14 = Find the sum or difference. 16 .25 – 3.285 =   2 3 5 7 9  + 1 4 0 0   1 6 2 5 - 3 8 0 0 0 1 2 9 6 5 1 9 7 7 9 Click on video. Skip advertisement. Let’s review: I Do

Find the sum or difference. We Do

Find the sum or difference. You Do