Use the Base Ten Blocks to buil[size=200][size=100]d [b]174[/b].[/size][/size]
Explain how you know you correctly built the number [b][size=150]174[/size][/b].
Use the Base Ten Blocks to build [size=150][b]238[/b][/size].
In the number [b][size=150]238[/size][/b], what value is the 3?
Build any number less than [b][size=150]500[/size][/b].
What number did you build? How do you know?
Adapted from an applet created by Boaz.[br][url=https://www.geogebra.org/m/yNUEmDJa]https://www.geogebra.org/m/yNUEmDJa[/url][br][url=https://www.geogebra.org/u/boazmunro]https://www.geogebra.org/u/boazmunro[/url]