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# CCSS.Math.Content.3.OA.D.9 - Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.

Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.3.OA.D.9 Identify Arithmetic Patterns (including Patterns In The Addition... Operations and Algebraic Thinking - 3rd Grade Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

(Page last edited 10/08/2017)

1. Addition and Multiplication Properties - Online quiz; select the correct property of operations.
2. Associative Property Practice - Show two ways to group using parentheses, then find the sum.
3. Communitive property problems - Use the?Commutative Property by changing the order of the factors. Then find the answer.
4. Exploring Krypto - Combine five numbers using the standard arithmetic operations to create a target number. Finding a solution to one of the more than 3?million possible combinations can be quite a challenge, but students love it.
5. Online worksheet; self checking - Work out the answers to each question below and fill in the boxes. Once you have filled in all the answers, click on the check answers button.
6. Operation Order Algebra Game - Enter the numbers on the rocks in the correct box. Then click check answer.
7. Properties of Odd and Even Numbers - Lesson first, then click on the image at the bottom for a practice.

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