How can subtracting multiples of 10 help us solve everyday problems efficiently?
Critical Thinking: Evaluating and selecting effective subtraction strategies based on place value and operation properties.
Communication: Clearly explaining the reasoning behind chosen subtraction methods.
Adaptive Perseverance: Persisting in solving problems that involve subtracting multiples of 10 and connecting strategies to written methods.
What are examples of problems that involve subtracting multiples of 10?
How can concrete models or drawings help us understand subtraction of multiples of 10?
Why is it important to connect our subtraction strategies to a written method?
Students will be able to subtract multiples of 10 from each other using various strategies.
Students will understand and apply place value concepts in subtraction.
Students will relate subtraction strategies to written methods and explain their reasoning.
Standard
1.NBT.C.6: Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90.
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