Show:
Number Line
Base Ten Blocks
Mental Math
Traditional
Partial Sums
100

357-126=

231

100

277-215=

62

100

859-341=

518

100

547-35=

512

100

976-325=

651

200

867-555=

312

200

990-387=

603

200

725-257=

468

200

370-211=

159

200

641-580=

61

300

262-117=

145

300

453-234=

219

300

572-255=

317

300

783-359=

242

300

545-138=

407

400

221-99=

122

400

770-72=

698

400

302-39=

263

400

805-88=

717

400

620-99

521

500

956-768

188

500

835-719=

116

500

764-489=

275

500

489-398=

91

500

496-307=

189