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Rounding
Tape Diagrams
Comparisons
Other
100
Round 54,285 to the nearest thousand.
54,000
100
Model the following problem with a tape diagram then solve: Jordan's blog got 514 hits. Chalk's blog got 349 hits and Robert's blog got 622 hits. What is the total number of hits that their blogs got?
1,485 hits
100
1 hundred thousand _____ 3 tenthousand + 7 tenthousands
1 hundred thousand = 3 tenthousand + 7 tenthousands
100
Compare the values of each 2 in the number 422,891. Use pictures, numbers or words to explain.
2 is in the tenthousand and thousand places. In the tenthousand place it it worth 20,000 and in the thousand place it is worth 2,000. 20,000 is ten times as many 2,000.
200
Round 298,481 to the nearest hundredthousand.
300,000
200
Ms. Tamminen was driving 512 miles to Texas. She stopped for dinner after 337 miles. How many more miles does Ms. Tamminen need to drive?
175 miles
200
413 thousands + 2 tenthousands ______ 415 thousands
413 thousands + 2 tenthousands > 415 thousands
200
Jernaya counted 1,204 stars in the sky. Brionna counted 2,546 stars. About many stars did they girls count together?
About means to round then solve... 1,000 + 3,000 = 4,000 stars altogether
300
Round 56,239 to the nearest hundred.
56,200
300
Walmart sold 35,028 apples. Hayes sold 22,581 apples. How many less apples did Hayes sell?
12,447 apples
300
3 hundredthousands - 6 thousands _____ 100,000
3 hundredthousands - 6 thousands > 100,000
300
Write 409,628 in words and expanded form
Four hundred nine thousand six hundred twenty-eight 400,000 + 9,000 + 600 + 20 + 8 = 409,628
400
345,918 to the nearest tenthousand.
350,000
400
Donterrious scored 345 points on a video game. Daylan scored 60 more points than Donterrious. Markell scored the same number of points as Daylan. How many points did they score altogether?
1,155 points
400
527 thousands + 4 tenthousands _____ 567,000
527 thousands + 4 tenthousands = 567,000
400
Team A scored 4,208 points. Team B scored 3,815 points. Ms. Wright thought it would be more accurate to round to the nearest thousand before finding the difference in points. Ms. Riley thought it would be more accurate to round to the nearest hundred before finding the difference. Who was correct?
Rounding to the nearest thousand gives you a difference of zero. Rounding to the nearest hundred is more accurate because the values are closer to the original numbers. Ms. Riley was correct.