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NameClassRounding and Estimation1. Fill in the missing numbers.(a)534,426534,425534,420534,430rounded off to the nearest ten is (b)392,410392,450392,400392,500rounded off to the nearesthundred is. (c)540,700540,500540,000matholia.com541,000rounded off to the nearestthousand is1. Copyright 2020 Blue Ring Education

(d)422,202425,000420,000rounded off to the nearestten thousand is. (e)865,000850,000800,000. (f)150,000150,000100,000200,000rounded off to the nearesthundred thousand is900,000rounded off to the nearesthundred thousand is430,000. Copyright 2020 Blue Ring Educationmatholia.com2

2. Fill in the blanks.(a) A new car is for sale for 650,304. Round the price to thenearest thousand dollars. The price of the car is about .(b) A tennis ball factory makes 453,102 balls in a year. Roundthe number of balls made in a year to the nearest tenthousand balls. The factory makes aboutballs in a year.(c) An optometrist has done 64,534 eye tests in her career.Round the number of eye tests to the nearest tenthousand eye tests. The optometrist has done abouteye tests.(d) In a season, a farmer and his crew pick 123,405 apples.Round the number of apples picked to the nearesthundred thousand apples. The farmer and his crew picked aboutapples.(e) The latest printer can print 891,001 pages per day. Roundthe number of pages the printer can print in a day to thenearest hundred thousand pages. The printer can print about3 matholia.compages per day.Copyright 2020 Blue Ring Education

3. Round the numbers to the nearest hundred.(a) 4,693 (b) 295,035 (c) 52,963 (d) 639,495 (e) 395,235 (f) 150,105 (g) 516,092 (h) 225,295 4. Round the numbers to the nearest thousand.(a) 4,942 (b) 49,205 (c) 496,232 (d) 749,925 (e) 297,298 (f) 785,486 (g) 792,017 (h) 113,513 5. Round the numbers to the nearest ten thousand.(a) 9,835 (b) 496,942 (c) 495,026 (d) 958,395 (e) 349,203 (f) 209,273 (g) 582,001 (g) 102,042 6. Round the numbers to the nearest hundred thousand.(a) 759,036 (b) 329,492 (c) 89,305 (d) 998,998 (e) 156,578 (f) 135,182 (g) 305,304 Copyright 2020 Blue Ring Education(h) 405,304 matholia.com4

NameClassRounding and Estimation1. Fill in the missing numbers.(a)534,426534,425534,420534,430534,426 rounded off to the nearest ten is534,426 (b)534,430 .534,430392,410392,400392,450392,500392,410 rounded off to the nearesthundred is 392,400 .392,410 392,400(c)540,700540,000540,500541,000540,700 rounded off to the nearestthousand is 541,000 .540,700 541,0001matholia.comCopyright 2020 Blue Ring Education

(d)422,202420,000425,000430,000422,202 rounded off to the nearestten thousand is 420,000 .422,202 420,000(e)865,000800,000850,000900,000865,000 rounded off to the nearesthundred thousand is 900,000 .865,000 900,000(f)150,000100,000150,000200,000150,000 rounded off to the nearesthundred thousand is 200,000 .150,000 200,000Copyright 2020 Blue Ring Educationmatholia.com2

2. Fill in the blanks.(a) A new car is for sale for 650,304. Round the price to thenearest thousand dollars.650,304 650,000The price of the car is about 650,000 .(b) A tennis ball factory makes 453,102 balls in a year. Roundthe number of balls made in a year to the nearest tenthousand balls.453,102 450,000The factory makes about 450,000 balls in a year.(c) An optometrist has done 64,534 eye tests in her career.Round the number of eye tests to the nearest tenthousand eye tests.64,534 60,000The optometrist has done about60,000 eye tests.(d) In a season, a farmer and his crew pick 123,405 apples.Round the number of apples picked to the nearesthundred thousand apples.123,405 100,000The farmer and his crew picked about 100,000 apples.(e) The latest printer can print 891,001 pages per day. Roundthe number of pages the printer can print in a day to thenearest hundred thousand pages.891,001 900,000The printer can print about 900,000 pages per day.3 matholia.comCopyright 2020 Blue Ring Education

3. Round the numbers to the nearest hundred.(a) 4,693 4,700(c) 52,963 53,000 (d) 639,495 639,500(b) 295,035 295,000(e) 395,235 395,200 (f) 150,105 (g) 516,092 150,100516,100 (h) 225,295 225,3004. Round the numbers to the nearest thousand.(a) 4,942 5,000 (b) 49,205 49,000(c) 496,232 496,000 (d) 749,925 750,000(e) 297,298 297,000 (f) 785,486 785,000(g) 792,017 792,000 (h) 113,513 114,0005. Round the numbers to the nearest ten thousand.(a) 9,835 10,000 (b) 496,942 500,000(c) 495,026 500,000 (d) 958,395 960,000(e) 349,203 350,000 (f) 209,273 210,000(g) 582,001 580,000 (g) 102,042 100,0006. Round the numbers to the nearest hundred thousand.(a) 759,036 800,000 (b) 329,492 300,000(c) 89,305 100,000 (d) 998,998 1,000,000(e) 156,578 200,000 (f) 135,182 100,000(g) 305,304 300,000 (h) 405,304 400,000Copyright 2020 Blue Ring Educationmatholia.com4

rounded off to the nearest ten is . 534,425 534,430 534,426 534,420 (b) rounded off to the nearest hundred is . 392,450 392,500 392,410 392,400 (c) rounded off to the nearest thousand is .

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