Mental Math
430 + 331
761
800-354
446
2,321 + 6,532
8,853
6,342 - 4,422
1,920
Use metal math (break apart strategy) to solve
6,500 + 813
7,313
32,200-11,186
21,014
6,211 + 9,532
15,743
883,688 - 791,447
92,241
Use metal math (break apart strategy) to solve
46,900 + 34,018
80,918
32,004-7,998
24,006
226,211 + 79,527 =
305,738
26,786 - 7,497
19,289
Use metal math (break apart strategy) to solve
145,365 + 157,482
302,847
46,030-3,938
42,092
39,522 + 11,758 + 6,826
58,106
264,876 - 97,984
166,892