Use the drawing model to show how to solve your problem.
346 + 238 =
Use the drawing model to show how to solve your problem.
346 + 238 =
Use the expanded form model to show how to solve your problem.
329 + 165 =
Use the open number line to show how to solve your problem.
259 + 217 =
Choose your favorite strategy to show how to solve your problem.
278 + 214 =
Choose a strategy to show how to solve your problem.
27 + 14 + 38 =
Choose a strategy to show how to solve a word problem.