How can using addition strategies within 100, like adding two-digit numbers and multiples of 10, help us solve everyday problems?
Critical Thinking: Strategically applying addition concepts within 100 to various problems.
Communication: Effectively explaining the reasoning behind addition strategies.
Adaptive Perseverance: Continuously refining addition techniques for clarity and efficiency.
What are effective strategies for adding a two-digit number and a one-digit number?
How does understanding place value enhance our ability to add within 100?
In what ways do concrete models or drawings aid in explaining our addition strategies?
Students will confidently add a two-digit number and a one-digit number, as well as a two-digit number and a multiple of 10.
Students will apply place value understanding and operation properties to addition.
Students will relate their addition strategies to written methods and articulate their reasoning.
Standard
1.NBT.C.4: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10.
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