Number Sense

1). (2 points) Arrange these numbers from largest to smallest:

.55, .26, 1/4 , 1/2, 3/8


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2). (2 points)
Multiply:






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3). (3 points)
What is the distance between Barney and Coolville?


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4). (3 points) I have 2 numbers. Their sum is 21. Their difference is 11. What are they?



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5). (4 points) I went to the lumber yard. They had a huge stack of plywood sheets. There were 250 sheets of plywood and each sheet was .375 inch thick. How high was the stack of plywood?



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6). (4 points)
Each row (across) and column (down) of this figure adds up to 1. Fill in the missing numbers.