Essential and guiding questions:
- How did you decide that Zanna was not right?
- What strategy did you use to determine whether Zanna had more?
- How did you know to line the balls up?
- Did that make it easier? Why or why not?
- Tell me how you decided to draw the lines to match a tennis ball and a golf ball.
- Tell me how matching a tennis ball with a golf ball helped you answer the question.
- Why do you think Zanna said she had more?
- How could you find out?
- Why do you think Zanna said she had more balls?
- What can you do to see how many balls each girl has?
Whole Group Questions:
- What ways did you use to count the balls?
- How were the counting strategies that we shared similar and different?
- How did you know if you had already counted a ball? How did you keep from counting it more than one time?
- Does it matter where you start when you are counting objects? Explain your answer.
- When you say the number of the last ball in a group, what does that number tell you?
- If you rearrange the balls in a group and count them again, will you get the same number? Explain your answer.
- If you are counting things in a group, does it matter if the things are different sizes? Explain your answer.
