Show:
Rounding
Rounding Sums
BONUS!
100
Round to the nearest 10: 52
50!
100
Round each addend to the nearest 10 and find the sum. ______=52+21
70! 52 rounds DOWN to 50. 21 rounds DOWN to 20. 50 plus 20 is 70!!
100
Darlisha has 18 bear bucks. Charlotte has 21. How many do they have altogether?
Charlotte and Darlisha have 39 bear bucks.
200
Round to the nearest hundred: 321
300
200
Round each addened to the nearest 10 and find the sum: 56+36
100! 56 rounds UP to 60. 36 rounds UP to 40. 60 plus 40 is 100!
200
William ran outside for 24 minutes. Brian rode his bike for 33 minutes. How long did the boys excercise in all?
William and Brian got 57 minutes of excercise.
300
Round to the nearest ten: 459
460
300
Round each addend to the nearest 10 and then find the sum: 67+52
120! 67 rounds UP to 70. 52 rounds DOWN to 50. 120=70+50
300
FIRST TEAM TO SHOUT OUT THE ESTIMATED SUM OF 51 and 27 GETS 500 POINTS!
80!
400
Round to the nearest ten AND nearest hundred: 188
188 Rounded to the nearest ten is 190! 188 Rounded to the nearest hundred is 200!
400
Round each addened to the nearest hundred and find the estimated sum: 441+389
800! 441 rounds DOWN to 400. 389 round UP to 400. 400+400=800
400
Ms. McCloud brought sandwiches for the teachers. She spent 24 dollars. Ms. Bennett brought chips for the teachers. She spent 18 dollars. How much money did they spend on lunch?
Ms. McCloud and Ms. Bennett spent a combined 42 dollars. PS- Mr. Neugebauer ate all the sandwiches and got a tummy ache :(
500
Round to the nearest ten and hundred: 763
763 Rounded to the nearest ten is 760! 763 Rounded to the nearest hundred is 800!
500
Round each addened to the nearest TEN and find the estimated sum: 231+184
410! 231 rounds down to 230 184 rounds down to 180 230+190= 410
500
Churchwell students are going on a learning expedition! Second grade sends 128 students. Third grade sends 115 students. Fourth grade sends 103. How many students are there in all?
346 students in all attended the learning expedition. Watch how I do it!!