Number Sense

1). (1 point)



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2). (2 points)

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3). (2 points) Find the least common multiple
(LCM) of 4 and 3.
The LCM is a bigger number that 4 and 3
both divide evenly into. (Evenly means no remainder).


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 4). (2 points) Find the greatest common factor
(GCF) of 35 and 21.
The GCF is a smaller number that divides into 35 and 21 evenly.


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5). (3 points) Tran goes to the store with $10.00 to buy 3 pounds of steak at $2.58 per pound and 2 heads of lettuce at 84 cents each. He then buys as many bags of skittles at 25 cents per bag as he can with the remainder. How much change (in cents) did he receive?


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6). (3 points) I have 50 marbles. I give half to Kelly, then 1/5 of the remainder to Michelle. How many marbles do I have left?


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7). (4 points) Natisha is reading a 315-page book. She has already read 135 pages. If she reads 15 pages per day, how many more days will it take her to complete the book?


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8). (4 points) The area of Canada is 17 times the area of France. The area of Canada is 3,851,809 square miles. What is the area of France?

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