[size=150]An industrial scale is guaranteed by the manufacturer to have a percent error of no more than 1%. What is a possible reading on the scale if you put 500 kilograms of iron ore on it?[/size]
List some board lengths that should be accepted.
List some board lengths that should be rejected.[br]
[size=150]The saw mill also cuts boards that are 10, 12, and 14 feet long. An inspector rejects a board that was 2.3 inches too long. What was the intended length of the board?[br][/size]
Your teacher will give you either a [i]problem card [/i]or a [i]data[/i] [i]card[/i]. Do not show or read your card to your partner.[br][br][table][tr][td]If your teacher gives you the [i]problem card[/i]:[/td][td]If your teacher gives you the [i]data card[/i]:[/td][/tr][tr][td][list=1][*]Silently read your card and think about what information you need to be able to answer the question.[/*][*]Ask your partner for the specific information that you need.[br][/*][*]Explain how you are using the information to solve the problem.[br]Continue to ask questions until you have enough information to solve the problem.[br][/*][*]Share the [i]problem card [/i]and solve the problem independently.[br][/*][*]Read the [i]data card[/i] and discuss your reasoning.[br][/*][/list][/td][td][list=1][*]Silently read your card.[/*][*]Ask your partner [i]“What specific information do you need?”[/i] and wait for them to [i]ask[/i] for information.[br]If your partner asks for information that is not on the card, do not do the calculations for them. Tell them you don’t have that information.[br][/*][*]Before sharing the information, ask “[i]Why do you need that information?[/i]” Listen to your partner’s reasoning and ask clarifying questions.[br][/*][*]Read the [i]problem card[/i] and solve the problem independently.[br][/*][*]Share the [i]data card[/i] and discuss your reasoning.[br][/*][/list][/td][/tr][/table][br]Pause here so your teacher can review your work. Ask your teacher for a new set of cards and repeat the activity, trading roles with your partner.