A mix of problems
Regrouping all over
Subtracting across zeros
One Time Regroup
Word Problems
100
92 - 41
What is 51
100

341 - 153

What is 188

100
106 - 57
What is 49
100

72 - 35

What is 37?

100

There are 675 ants in a colony.  248 ants leave.  How many ants are there now?

What is 427?

200
374 - 261
What is 113
200

486 - 398

What is 88

200
200 - 42
What is 158
200

435 - 151 = 

What is 284?

200

A farmer plants 429 trees in a plantation.  He cuts down 355 of trees.  How many trees are left?  

What is 74?

300
984 - 128
What is 856
300

382 - 199

What is 183

300
701 - 446
What is 255
300

445 - 319 = 

What is 126?

300

Mrs. Frazier has 486 marbles.  Mrs. Washington has 248 marbles.  How many more marbles does Mrs. Frazier have then Mrs. Washington?  

What is 238?

400

642 - 279

What is 363

400
963 - 475
What is 488
400

700 - 247

What is 453

400

438 - 342 = 

What is 96?

400

There are 527 cars in a parking lot.  153 cars drive away.  How many cars are there now?  

What is 374?

500

724 - 335

What is 389

500

841 - 187

What is 654

500

800 - 516

What is 284

500

741 - 328 = 

What is 413?

500

In a zoo, there are 343 reptiles and 517 amphibians.  How many more amphibians than reptiles are there?  

What is 174?

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