Look at the children's times. Compare the children's fastest and second-fastest times by using the >, <, or = sign.
582 < 867
Look at the parents' times. Who ran faster?
How could you use a model to prove that
How does the value of the orange 8 compare to the value of the purple 8?
The value of the orange 8 is 10 times greater than the value of the purple 8.
How does the value of the blue 8 compare to the value of the red 8?
The value of the blue 8 is
Sybil's time was
123.4 seconds; when you divide 1234 by 10, the decimal appears to move one place to the left.
How would you write Jaime's time in word form?
Nine hundred twenty-one and three hundred six thousandths.
How would you write Jaime's time in expanded form?
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