Unit 7-3 Digit Subtraction

Subtract Hundreds

100

600-300=

300

200

400-200=

200

300

560-100=

460

400

999-100=

899

500

____-100=527

627

Subtract Tens

100

739-10=

729

200

210-10=

200

300

155-10=

145

400

____-10=126

136

500

____-10=980

990

Three-Digit Subtraction

100

953-664=

289

200

602-311=

291

300

331-245=

86

400

662-78=

584

500

456-258=

198

Subtract Across Zeros

100

800-155=

645

200

200-155=

45

300

300-136=

164

400

600-23=

577

500

800-532=

268

Word Problems

100

Kenny wants to save 800 pennies. He has 213. How many pennies does he need to reach his goal?

800-213= 587

200

Nan and Liz had a basket

with 313 cherries. Liz picked

143 cherries. How many did

Nan pick?

313-143= 170

300

Mrs. Little’s class recycled

700 cans. Their goal was

258 cans. How many cans over their goal did they recycle?

700-258= 442

400

Ben had 300 baseball cards. He got more from his brother, and now he has 686. How many cards did he gain?

686-300= 386

500

There were 598 pieces of candy in the bag. Oswald ate 150. Hot Rod ate 198. How many pieces of candy were left in the bowl after the two boys ate some? 

250 pieces of candy