A set of four posters with clear examples of subtraction strategies.
The three strategies include:
Jump Strategy: The jump strategy is when you use a number line to jump in tens and ones to arrive at the answer.
Split Strategy (two versions): The split strategy is when you split a number into parts and subtract each part separately. This is useful for large numbers.
Compensation Strategy: The compensation strategy is when you round numbers in an equation to make it easier to solve in your head.
Common Core Curriculum alignment
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in addin...
Explain why addition and subtraction strategies work, using place value and the properties of operations.
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
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