Rounding to the tens
Rounding to the hundreds
Rounding to the nearest hundred with a thousands place
Benchmark Numbers
Exact or Estimate
100
What is 67 rounded to the nearest TEN?
70
100
What is 167 rounded to the nearest HUNDRED.
200
100
What is 1,258 rounded to the nearest HUNDRED.
1,300
100
What two benchmark numbers are used for 80 rounded to the nearest hundred.
0 & 100
100
Ron and Amanda collected 497 buttons, but they used 177 of them while fixing some jackets. About how many buttons do they have now?
300 or 320 buttons
200
What is 34 rounded to the nearest TEN.
30
200
What is 258 rounded to the nearest HUNDRED.
300
200
What is 3,864 rounded to the nearest HUNDRED.
3,900
200
What two benchmark numbers are used for 250 rounded to the nearest hundred.
200 & 300
200
Mom made 510 cupcakes for the bake sale. 226 sold in two days. How many cupcakes are left?
284 cupcakes
300
What is 15 rounded to the nearest TEN.
20
300
What is 728 rounded to the nearest HUNDRED.
700
300
What is 1,536 rounded to the nearest HUNDRED.
1,500
300
What two benchmark numbers are used for 72 rounded to the nearest ten.
0 & 100
300
Tim, Caleb, and Michael collected 989 buttons, but 165 got lost in the couch. About how many buttons do they have now? Choose the better estimate.
800 or 830 buttons
400
What is 22 rounded to the nearest TEN.
20
400
What is 814 rounded to the nearest HUNDRED.
800
400
What is 7,865 rounded to the nearest HUNDRED.
7,900
400
What two benchmark numbers are used for 390 rounded to the nearest hundred.
300 & 400
400
237 of Lizzy's 609 screws got lost in the garage. How many screws does she have now?
372 screws
500
What is 137 rounded to the nearest TEN.
140
500
What is 55 rounded to the nearest HUNDRED.
100
500
What is 3,958 rounded to the nearest HUNDRED.
4,000
500
What two benchmark numbers are used for 5 rounded to the nearest tens.
0 & 10
500
882 passengers are in the train station. 660 get on a train. How many are left?
222 passengers
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