Use the number line, to help you find the value of $11+254$11+254.
$11+254$11+254 $=$= $\editable{}$
Use the number line to help you find the value of $15+259$15+259.
Find the value of $362+226$362+226.
Find the value of $232+415$232+415.
estimate and determine sums, differences, and products of whole numbers;