Use number lines to Add

The correct answer of the blanks:

• 275

  280

  283

• 245

  215

  210

  207

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

The correct answer:

• 245

  246

  247

  248

• 250

  280

  283

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

The correct equation:

• 436 + 28 =464

• 464 + 28 = 692

Tags

CCSS.2.NBT.B.7

The correct equation:

• 897 + 947 + 950 + 953

• 897 + 50 + 3 + 3

Tags

CCSS.2.NBT.B.7

The correct answer:

• 897 + 56 = 953

• 953 - 3 - 50 - 3 = 900

Tags

CCSS.2.NBT.B.7

The correct equation:

• 435 + 440 + 460

• 435 + 5 + 20

Tags

CCSS.2.NBT.B.7