Rounding
Is rounding the exact amount?
No. It is an estimate, not exact. It is a good way to check that your answer is in the right ball field.
What is the answer to an addition problem called?
The sum
What is the answer to a subtraction problem called?
The difference
Estimate the difference of 640-172 to the nearest hundred.
600-200=400
Denim and Ms. Wellman went flower picking. Denim picked 200 flowers and Ms. Wellman picked 178 flowers. How many flowers did they pick in total?
378 flowers
What is 128 rounded to the nearest ten?
130
650 + 138 = ?
788
863-526=?
337
Estimate the sum of 273 + 185 rounding to the nearest hundred.
300+200= 500
Nicole has 921 Labubus and her brother Joel took 732 of them. About how many Labubus does she have left? Round to the nearest ten.
920-730=190
What is 550 rounded to the nearest hundred?
600
If you estimate the numbers to the hundreds place what will the estimated sum be?
236+ 217 = ?
200 + 200 = 400
220-187=?
33
Estimate the sum of 450+125 to the nearest hundred
500+100=600
Matthew built 800 towers in his Mindcraft city. A creeper destroyed 375 of his towers. How many towers does Matthew have that are still standing?
What is 104 rounded to the nearest hundred?
100
What is the sum of 135 + 152?
287
544-162=?
382
Estimate the difference of 782-532 round to the nearest hundred
800-500=300
Joshua has 871 Nike Dunks and Samuel took 532 of his shoes. How many shoes does Joshua have left?
339
If Lylah has 742 sashes from the pageants she has been in what would that number be when it is rounded to the nearest 10?
740
Emmy has 196 sparkly markers. She is gifted 243 regular markers.
What is the exact number of markers she has?
Estimate the sparkly markers and the regular markers to the nearest ten and then find the sum.
estimate: 440
Exact: 439
Braxton rode his dirt bike 820 miles on Friday and only rode 236 miles on Saturday. How many more miles did he ride on Friday than Saturday?
He rode 584 more miles on Friday than he did on Saturday.
Estimate the sum of 105+82 rounding to the nearest ten.
100+80=180
Thomas has 234 sponges and Donte gives him 394 more. How many sponges does he have now?
628