Math 081 Worksheet Section 1.5 v01 Dressler. Name. 9) 4282 to the nearest thousand

Transcription

1 Math 081 Worksheet Section 1.5 v01 Dressler Name 9) 4282 to the nearest thousand Round the whole number to the given place value. 1) 595 to the nearest ten 10) 74,071 to the nearest thousand 2) 298 to the nearest ten 11) 70,253 to the nearest thousand 3) 45 to the nearest ten 12) 56,411 to the nearest thousand 4) 88,722 to the nearest hundred 13) 486,329 to the nearest ten thousand 5) 83,020 to the nearest hundred 14) 586,752 to the nearest ten thousand 6) 28,811 to the nearest hundred 15) 575,599 to the nearest ten thousand 7) 2015 to the nearest thousand 16) 19,937,203 to the nearest million 8) 2249 to the nearest thousand 17) 36,615,462 to the nearest million 1

2 18) 45,840,417 to the nearest million 27) In 1999 a company spent $693,749,399 on advertising. Round the advertising figure to the nearest hundred-thousand. 19) 21,995 to the nearest ten 28) In 1999 a company spent $693,749,723 on advertising. Round the advertising figure to the nearest hundred-thousand. 20) 61,996 to the nearest ten 21) 95,999 to the nearest ten 29) In 1999 a company spent $493,749,669 on advertising. Round the advertising figure to the nearest hundred-thousand. 22) 9,999,997 to the nearest ten 30) A publishing company sold 47,268,591 books in Round the number of books sold to the nearest ten-million. 23) 4478 to the nearest thousand 24) 99,999 to the nearest ten 31) A publishing company sold 45,266,591 books in Round the number of books sold to the nearest ten-million. 25) 996 to the nearest ten 32) A publishing company sold 46,268,591 books in Round the number of books sold to the nearest ten-million. 26) 28,701,348 to the nearest million 33) In 1999 a company spent $793,749,599 on advertising. Round the advertising figure to the nearest hundred-thousand. 2

3 Round the following to the nearest ten, nearest hundred, and nearest thousand. 34) ) ) ) ) ) ) 59,773 37) ) 35,754 38) ) 56,684 39) ) 41,278 40) ) 30,095 41) ) 73,297 42) )

4 Estimate the sum or difference by rounding each number to the nearest ten then adding or subtracting as indicated. 53) ) 59) ) ) ) ) ) ) ) )

5 64) Solve the problem by estimating. 70) Andy wants to buy a refrigerator for $699, a stove for $559, and a dishwasher for $549. Round each cost to the nearest hundred to estimate the total cost. 65) ) Andy wants to buy a refrigerator for $799, a stove for $859, and a dishwasher for $349. Round each cost to the nearest hundred to estimate the total cost. 66) ) In 1999 the population of Capital City was 7,975,831 and the population of Spring City was 1,742,652. Round each population to the nearest hundred-thousand to estimate how much larger Capital City was than Spring City. 67) 68) ) In 1999 the population of Capital City was 7,975,831 and the population of Spring City was 2,032,652. Round each population to the nearest hundred-thousand to estimate how much larger Capital City was than Spring City. 74) Linda scored 72, 85, 60, 98, 84, and 100 on her calculus tests. Round each score to the nearest ten to estimate her total score. 69) ) Linda scored 82, 75, 80, 88, 64, and 100 on her calculus tests. Round each score to the nearest ten to estimate her total score. 5

6 76) The Pan family took a trip and traveled 465, 649, 839, 898, and 260 miles on 5 consecutive days. Round each distance to the nearest hundred and estimate the distance they traveled. 81) Mike travelled for 3 weeks in Asia last year and spent $964 while he was there. Estimate the average amount he spent each day. Round the number of days to the to the nearest ten and the amount of money spent to the nearest hundred. 77) The Pan family took a trip and traveled 365, 349, 839, 798, and 560 miles on 5 consecutive days. Round each distance to the nearest hundred and estimate the distance they traveled. 82) As part of her preparation for softball tryouts, Eunice did 74 sit-ups each day for 66 days. Estimate how many sit-ups she did during that period. Round the number of sit-ups and the number of days to the to the nearest ten. 78) A local hot dog stand sells 188 hotdogs on an average day. Estimate how many hotdogs they sold in the last 213 days. Round the number of hotdogs and the number of days to the nearest ten. 83) As part of her preparation for soccer tryouts, Pat did 87 jumping jacks each day for 63 days. Estimate how many jumping jacks she did during that period. Round the number of jumping jacks and the number of days to the to the nearest ten. 79) A local hot dog stand sells 224 hotdogs on an average day. Estimate how many hotdogs they sold in the last 227 days. Round the number of hotdogs and the number of days to the nearest ten. 80) Juan travelled for 6 weeks in Africa last year and spent $1959 while he was there. Estimate the average amount he spent each day. Round the number of days to the to the nearest ten and the amount of money spent to the nearest hundred. 6

7 Answer Key Testname: WS1.5V01 1) 600 2) 300 3) 50 4) 88,700 5) 83,000 6) 28,800 7) ) ) ) 74,000 11) 70,000 12) 56,000 13) 490,000 14) 590,000 15) 580,000 16) 20,000,000 17) 37,000,000 18) 46,000,000 19) 22,000 20) 62,000 21) 96,000 22) 10,000,000 23) ) 100,000 25) ) 29,000,000 27) 693,700,000 28) 693,700,000 29) 493,700,000 30) 50,000,000 31) 50,000,000 32) 50,000,000 33) 793,700,000 34) Ten 7230 Hundred 7200 Thousand ) Ten 5320 Hundred 5300 Thousand ) Ten 5140 Hundred 5100 Thousand ) Ten 5680 Hundred 5700 Thousand ) Ten 9970 Hundred 10,000 Thousand 10,000 7

8 Answer Key Testname: WS1.5V01 39) Ten 1780 Hundred 1800 Thousand ) Ten 3290 Hundred 3300 Thousand ) Ten 5250 Hundred 5300 Thousand ) Ten 4480 Hundred 4500 Thousand ) Ten 9380 Hundred 9400 Thousand ) Ten 6170 Hundred 6200 Thousand ) Ten 5080 Hundred 5100 Thousand ) Ten 59,770 Hundred 59,800 Thousand 60,000 47) Ten 35,750 Hundred 35,800 Thousand 36,000 48) Ten 56,680 Hundred 56,700 Thousand 57,000 49) Ten 41,280 Hundred 41,300 Thousand 41,000 50) Ten 30,100 Hundred 30,100 Thousand 30,000 51) Ten 73,300 Hundred 73,300 Thousand 73,000 52) Ten 3760 Hundred 3800 Thousand ) ) ) ) 30 57) 20 58) 20 59) ) 110 8

9 Answer Key Testname: WS1.5V01 61) ) ) ) ) ) ) 30 68) ) ) $ ) $ ) 6,300,000 73) 6,000,000 74) ) ) 3100 miles 77) 2900 miles 78) 39,900 79) 50,600 80) $50 81) $50 82) )