397+159=

• 550

• 400

• 23

• 556

363+278=

• 541

• 13

• 645

• 641

464+185

• 649

• 694

• 645

• 654

166+147=

• 232

• 567

• 134

• 313

261+69=

• 563

• 33

• 330

• 245

One day Keith skipped 145 rocks over the river. The next day he skipped 165 rocks. How many rocks did he skip all together?

• 210 rocks

• 310 rocks

• 410 rocks

• 110 rocks

Logan has 156 baseball cards. Caden has 182 baseball cards. Ben has 200 baseball cards. How many baseball cards do the three boys have?

• 538 cards

• 300 cards

• 456 cards

• 539 cards

When you _________________, you take a number apart and write it in a new way.

• ones

• place value

• regroup

The value given to a digit by its place in a number is its ______________________________.

• regroup

• digit

• place value

Clara counted 185 flowers and her dad counted 139 flowers. How many flowers did they count altogether?

• 5

• 323

• 324

• 424