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Subtraction
Addition
Find the missing number
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100

434-72=?

362

100

228+91=?

319

100

300 + ________ = 1,000

700

100

10 + 20 + 15  + 5 = ?

50

200

798-238=?

560

200

273+122=?

395

200

600 + _____ = 1,000

400

200

50 + 22 + 12 + 6 = ?

90

300

421-139=?

282

300

203+213=?

416

300

______ + 550 = 1,000

450

300

95 + 60 + 4 +21 = ?

180

400

600-476=?

124

400

419+372=?

791

400

649 + ______ = 1,000

351

400

55 + 40 + 23 + 82 = ?

200

500

991-736=?

255

500

639+177=?

816

500

599 + ______ = 1,000

401

500

100 + 90 + 12 + 6 +2 = ?

210