Adding and Subtracting Three Digits

What addition strategy does the picture show?

• Adding Using Partial Sums

• Adding Using Hundred Chart

• Adding Using Number Lines

• Adding Traditionally

543+100

• 443

• 543

• 643

• 743

After the tens place, what place value do we add now?

• The hundreds place.

• The ones place.

• The tens place.

919
-     99

• 820

• 719

• 1,018

• 789

740 - 352 =

• 398

• 412

• 388

• 488

382 + 339

542 + 348

• difference

• product

• quotient

• sum

150 - 146 =

926- 658=?

• 332

• 268

• 1,584

• 372

When adding 456 and 789, what is the value of the tens digit in the sum?

• 1

• 2

• 3

• 4