Addition 1
Addition 2
Subtraction 1
Subtraction 2
Mystery!
100

   627

+ 121

What is 748?

100

   35,367

+ 50,687

What is 86,054?

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 16,999?

200

   22,941

+ 51,755

What is 74,696?

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 many stars have they found in all?

What is 542,544 stars?

300

   45,116

+ 74,803

What is 119,919?

300

   11,577

+ 48,762

What is 60,339?

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 83,399?

400

   67,112

+ 13,301

What is 80,413?

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 137,844 miles.  They take a trip and drive 114,927 more miles.  What does their odometer read now?

What is 252,771 miles?

500

  934,501

+855,447

What is 1,789,948?

500

   564,003

+ 118,967

What is 682,970?

500

 278,588

-105,378

What is 173,210?

500

  999,001

- 847,563

What is 151,438?

500

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

What is 310,680 math problems?