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Rounding
Estimating Sums
Estimating Differences
Addition
Place Value
100
What is 764 rounded to the nearest hundred?
800
100
35 + 56 =
About 100
100
75 - 18 =
About 60
100
649 + 37 =
686
100
What digit is in the ten thousands place in the number 345,892?
4
200
What is 35 rounded to the nearest ten?
40
200
49 + 27 =
About 80
200
96 - 73 =
About 30
200
1,458 + 1,413 =
2,871
200
What is the value of the 8 in the number 148,692?
8,000
300
What is 5,679 rounded to the nearest thousand?
6,000
300
592 + 241 =
About 800
300
712 - 568 =
About 100
300
1,552 + 9,023 =
10,575
300
Is this number sentence true or false? 364,921>362,932
false
400
What is 2,198 rounded to the nearest thousand?
2,000
400
392 + 444 =
About 800
400
3,478 - 1,230 =
About 2,000
400
772 + 289 =
1,061
400
What place is the 4 in the number 462,923?
hundred thousands
500
What is 4,601 rounded to the nearest thousand
5,000
500
5,309 + 3,892 =
About 9,000
500
6,835 - 3,299 =
About 4,000
500
333 + 488 =
821
500
Write 34,209 in expanded form
30,000+4,000+200+9