ADD WHOLE NUMBERS, ADD DECIMALS PROBLEMS To see the answer, pass your mouse over the colored area. a) What does the carried 1 signify? 1 ten. b) What does the carried 2 signify? 2 hundreds.
13. Alignment. Which digit is in the ones place? 13. a) 2,346 6 b) 2.346 2 c) 234.6 4 13 d) 0.2346 0 e) .2346 0 14. Write these in a column and add. (Align the ones.) 14. a) 346 + 7845 + 8 + 24 = 8,223 14. b) 22,309 + 66 + 5 + 789 = 23,169 14. c) 15.75 + .86 + 2.04 = 18.65 14. d) 4,036 + 8 + 3.504 = 4,047.504 14. e) 32 + 3.2 + .32 = 35.52 f) 2.039 + 1 = 3.039 14. g) 9.8 + 13.97 + 6 + .35 = 30.12 h) .4 + .52 + .697 = 1.617 15. Before adding, is it possible to know how many decimal places a sum Yes. It will have the same number of places as the numbers being added. 16. Add mentally. 16. a) .6 + .6 + .6 = 1.8 b) .06 + .06 + .06 = .18 16 c) .05 + .07 + .09 = .21 d) .8 + .2 + .7 + .5 = 2.2 17 Rudolph and Charles went on a trip; the first day they went 67 miles; 18. Every day John uses 5.5 gallons of gasoline, Rose uses 6.08 gallons, 9. Margot has thirty-six dollars in the bank, Camilla has one thousand 10. The base of a rectangle is 18 cm, and its height is 9.7 cm. How long 10. is its perimeter? 55.4 cm Continue on to the next Lesson. or Return to the previous section. Please make a donation to keep TheMathPage online. Copyright © 2001-2007 Lawrence Spector Questions or comments? E-mail: themathpage@nyc.rr.com |