K – CC – RT10

You put a handful of counters into one line. Two students count the collection. One student, who starts near the middle, says there are 5 counters. The other student, who starts counting at the left, says there are 9 counters. What did both students do? What advice...

K – CC – RT9

You are asked to take a handful of blocks out of the math center. When you take them to your table, you line the blocks into one line. Two students count the collection. One student, who starts at the left, counts 8 blocks. The other student, who starts counting near...

K – RP – RT9

You have three items that you want to use to make a pattern. You want the pattern to use more of two items than the other item. What does your pattern look like? Explain your thinking in making the pattern.

K – RP – RT6

As part of an art project, your group is assigned to make the border of two bulletin boards. One pattern needs to use three different items, while the other pattern needs to use two different items. What are the similarities and differences in these two...

K – RP – RT7

You have two items that you want to use to make a pattern. You want the pattern to use a few more of one item than another. What does your pattern look like? Explain your thinking in making the pattern.

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