If $25+10=35$25+10=35, what is the answer to $25+8$25+8?
Use the number line, to help you find the value of $26+37$26+37.
Use a strategy to find the sum of $13+45$13+45.
Use a strategy to find the sum of $28+37$28+37.
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.