Review addition and subtraction

What is the right way to expand 197 ?

• 100 + 9 + 7

• 19 + 7

• 100 + 90 + 7

Peter was subtracting by tens. Choose the correct sequence.

345, 335, 325, ____ , ____

• 355, 365

• 315, 325

• 315, 305

Justice's favourite book has 500 pages. Last week she read 474 pages. How many more pages does she have to read to finish the book?

• 26

• 24

• 20

Add

100 + 40 + 50 =

• 180

• 190

• 160

Subtract

763 - 67 =

• 107

• 704

• 696

Which is the correct number sentence for this strip diagram.

• 81 + 21 =

• 81 - 21 =

436 + 163 =

• 599

• 959

• 995

807 - 429 =

• 358

• 368

• 378

Mr David has 356 pencils. Then he sells 282 pencils. How many does he have now?

• 76

• 74

• 72

410 - 100 =

• 210

• 510

• 310