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- At a different pet store, there are 4 large fish tanks, each holding 475 gallons. Nicholas uses the compact method to find out how much total water the tanks hold.
- Why did Nicholas place a 2 above the problem? What does this 2 mean?
- How did Nicholas get the 0 in the tens column of the answer?
- Why did Nicholas place a 3 above the problem? What does this 3 mean?
- How did Nicholas get the 9 in the hundreds column of the answer?
- How did Nicholas get the 1 in the thousands column of the answer?
- Find the following products using Nicholas's method. Estimate to make sure your answers are reasonable.
- Choose one problem from Question 13 and show or tell how you can use mental math to solve it.
- Show or tell how you estimated the product in Question 13E.
