MENTAL ARITHMETIC: MULTIPLICATION PROBLEMS (3) To see the answer, pass your mouse over the colored area.
21. Multiply each column mentally. Treat problems with decimal points
Can you do these mentally, or with the least amount of writing? 22 At a political fund raising, fifty people paid $10,000 each to have 23. If your car gets 25 miles per gallon, how far could you go on 12 24. What is the price of 4 airline tickets at $182 each? $728 25. What is the price of 6 airline tickets at $56.98 each? $341.88 25. What is the price of 60 tickets? $3,418.80 26 If coffee sells for $3.95 a pound, what is the price of 4 pounds? 26. What is the price of 40 pounds? $158 27. a) How many days are there in 10 years? Approximately 3,650. 27. b) How many days are there in 2 years? 27. b) 2 × 365 = 600 + 120 + 10 = 730 27. c) How many days are there in 12 years?  3,650 + 730 = 4,380 Continue on to the next Lesson. or Return to the previous section. Copyright © 2021 Lawrence Spector Questions or comments? E-mail: teacher@themathpage.com |