Rounding
Round 158 to the nearest 10.
160
Find a reasonable estimation for 432 + 157.
430 + 160 = 590
or
400 + 200 = 600
Add 513 and 428.
941
Find the sum of 113, 231, and 200.
544
Write the standard form of 5 hundred 14 ten 8.
648
Round 622 to the nearest 10.
620
Find a reasonable estimation for 305 + 285.
310 + 290 = 600
or
300 +300 = 600
Add 620 + 368.
988
Find the sum of 89 + 342 + 160.
591
What is the value of the tens place in the number 795?
90
Round 757 to the nearest 100.
800
Find a reasonable estimation for the sum of 693 and 142.
690 + 140 = 830
or
700 + 100 = 800
857
149 + 240 + 428 = ?
817
Write the standard form of 2 hundred 7 ten 18.
288
Round 381 to the nearest 100.
400
Find a reasonable estimation for the sum of 525 + 268.
530 + 270 = 800
or
500 + 300 = 800
572 + 319 = ?
891
What is the sum of 341 + 163 + 29?
533
Write the standard form of 4 hundred 16 ten 12.
572
Round 275 to the nearest 10 and 100.
280 and 300
Find two reasonable estimations for the sum of 134 and 529.
A. 130 + 530 = 660
B. 140 + 540 = 680
C. 100 + 500 = 600
D. 135 + 530 = 665
A. 130 + 530 = 660
C. 100 + 500 = 600
Add 485 and 118.
603
Find the sum of 453, 268, and 127.
848
Write the standard form of 1 hundred 13 ten 19.
249