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-maybe some sort of game- bringing over your own base-ten blocks and solving the problem
-creating a number line problem
-writing own examples of subtracting using friendly/ benchmark numbers
Students can create their own subtraction problem by using a "broken calculator" to problem-solve using their knowledge of place value and number bonds to solve the problem.

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-Solving problems with games (decomposing and regrouping with digital base-ten blocks)
-maybe another website with a number line or something)
Puzzle Pics Subtraction: Students can apply their subtraction skills to build a puzzle.

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-addition review
-basic math families review

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Marie Volcko

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Subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction (e.g. composing/decomposing by like base-10 units, using friendly or benchmark numbers, using related equations, compensation, number line, etc.).

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Fluently (efficiently, accurately, and flexibly) add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction (e.g. composing/decomposing by like base-10 units, using friendly or benchmark numbers, using related equations, compensation, number line, etc.).