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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: 1,651 - 1,148 = ____5008001,000600 Q 2: 4,328 + 7,221 = ________11,00012,00013,00010,000 Q 3: 37,291,510 + 12,999,999 = ________40,000,00030,000,00050,000,00049,000,000 Q 4: 9,321 + 491 = _____9,50013,0009,00011,000 Q 5: 13,590 - 7,821 = _____8,00013,0006,00020,000 Q 6: 9,321 + 491 = _____13,00011,00012,0009,000 Q 7: 37,291,510 + 12,999,999 = ________50,000,00060,000,00030,000,00049,000,000 Q 8: 11,341,280 + 978 = ________12,000,00010,001,00011,000,00010,900,000 Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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