Subtraction 1
Subtraction 2
Subtraction 3
Subtraction 4
Mystery!
100

   627

- 121

What is 506?

100

   50,687

- 35,367

What is 15,320?

100

 579

-137

What is 442?

100

  80,745

- 65,942

What is 14,803?

100

Emily harvested 884 peppers from her garden.  Emily and her mother canned 794 of them.  How many peppers do they have left?

What is 90 peppers?

200

  9,789

-7,210

What is 2,579?

200

   51,750

- 22,941

What is 28,809?

200

  3,589

- 1,207

What is 2,382?

200

  22,564

- 11,985

What is 10,579?

200

An astronomer (a scientist who studies the stars) found 271,546 stars in a certain section of the galaxy.  Another astronomer found 270,998 stars in the same section.  How much more did the first astronomer find than the second astronomer?

What is 548 stars?

300

   74,804

- 45,116

What is 29,688?

300

   48,762

- 11,577

What is 37,185?

300

 5,649

- 2,035

What is 3,614?

300

  93,045

- 71,536

What is 21,509?

300

Jack gathered 23,567 leaves while raking the lawn.  His dog, Spike ran through the pile of leaves and scattered 2,091 out of the pile.  How many leaves are left in the pile?

What is 21,476 leaves?

400

   61,001

- 22,398

What is 38,603?

400

   67,112

- 13,301

What is 53,811?

400

 89,518

- 9,006

What is 80,512?

400

10,000

- 8,105

What is 1,895?

400

The McDonough's family car has an odometer reading of 700,000 miles at the end of the trip.  Before the trip, the odometer read 649,723 miles. How many miles did they put on the odometer from the trip?

What is 50,277 miles?

500

  934,501

-855,447

What is 79,054?

500

   564,003

- 118,967

What is 445,036?

500

 278,588

-105,378

What is 173,210?

500

  999,001

- 847,563

What is 151,438?

500

Ms. Garrett says she has corrected 623,490 math problems on homework for her students over the years she has taught.  Ms. T says she has corrected 312,810 problems.  What is the difference between the number Ms. Garrett and Ms. T have corrected?

What is 310,680 math problems?

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