Add and Combine
Solve using the add and combine method 125+245
370
Round 1074 to the nearest tens place
1080
Solve using the Make a Nice Number and Compensate Strategy 344+478
822
Round 480 to the nearest tens place
480
Solve using the standard algorithm. 304+205
509
Solve using the add and combine method 370+200
570
Round 765 to the nearest tens place
770
Solve using the Make a Nice Number and Compensate Strategy 124+356
480
Round 1047 to the nearest tens place
1050
Solve using the standard algorithm. 328+211
539
Solve using the add and combine method 496+234
730
Round to the nearest hundreds place 1758
1800
Solve using the Make a Nice Number and Compensate Strategy 378+244
622
Round to the nearest hundreds place 787
800
Solve using the standard algorithm. 509+214
723
Solve using the add and combine method 734+195
929
Round to the nearest hundreds place 1958
2000
Solve using the Make a Nice Number and Compensate Strategy 622+299
921
Round to the nearest hundreds place 10,567
10600
Solve using the standard algorithm 632+318
950
Solve using the add and combine 327+489
816
Double Trouble
Round 1458 to the nearest 10s place and 100s place
1460 and 1500
Solve using the Make a Nice Number and Compensate Strategy 421+436
857
Double Trouble
Round 844 to the nearest 10s place and 100s place
840 and 800
Solve using the standard algorithm. 239+738
977