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“To Optimize Teaching And Learning Utilizing Technology”

Below are the resources for the benchmark you chose, and a link for you to add a new resource that supports this objective.

H. Model, represent and explain subtraction as comparison, take-away and part-to-whole.

Add a new resource for this objective – click here

	Base Blocks Subtraction http://matti.usu.edu/nlvm/nav/frames_asid_155_g_1_t_1.html This online manipulative allows students to subtract with borrowing using base ten blocks that can be combined and split. You can do random problems or create your own.
	Number Line Arithmetic - Virtual Manipulative http://matti.usu.edu/nlvm/nav/frames_asid_156_g_1_t_1.html?open=activities This online manipulative allows the user to demonstrate addition, subtraction, multiplication, and division usign a number line. New problems are generated randomly and then animated on a number line to show the solution. Activities for each operation are listed on the site.
	Mathflash Game http://www.mcps.k12.md.us/schools/thurgoodmarshalles/java-applets/Mathflash/Mathflash_small.html This online activity is great for practicing all levels of arithmetic. Choose from addition, subtraction, multiplication, and division. Pick if you want a picture to model the problem or not. Decide if you wish to just practice or play against a clock.
	Leon's Math Practice http://www.iknowthat.com/com/L3?Area=Math+Practice In this online activity you can learn math through modeling. By moving around virtual chips you can model addition, subtraction, multiplication, and division problems.

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