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#### Online Quiz (WorksheetABCD)

Questions Per Quiz = 2 4 6 8 10

 Approximate the given numbers. Add or subtract after approximation. Example: 19,034 + 93 19,034 can be approximated to 19,000 93 can be approximated to 90 19,000 + 90 Answer: 19,090 Example: 4,230 - 167 4,230 can be approximated to 200,000,000 167 can be approximated to 200 200,000,000 - 200 Answer: 199,999,800 Directions: Find the approximate answer using estimation (round up or down before doing the calculation).
 Q 1: 46,320,490 - 18,999,981 = ___________28,000,00045,000,00037,000,00040,000,000 Q 2: 13,590 - 7,821 = _____13,0008,00020,0006,000 Q 3: 4,328 + 7,221 = ________9,00013,00011,00010,000 Q 4: 1,651 - 1,148 = ____5006001,000800 Q 5: 9,321 + 491 = _____13,00011,00012,0009,000 Q 6: 37,291,510 + 12,999,999 = ________30,000,00060,000,00050,000,00049,000,000 Q 7: 37,328 - 649 = _____37,30036,00030,00038,000 Q 8: 37,291,510 + 12,999,999 = ________50,000,00049,000,00030,000,00040,000,000 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!