NSO.2.2

Which number is 100 more than 842?

• 942

• 852

• 952

• 800

Which number is 100 more than 245?

• 642

• 245

• 200

• 345

Which number is 100 more than 399?

• 400

• 390

• 499

• 299

Which number is 100 less than 213?

• 400

• 113

• 499

• 299

Which number is 100 less than 321?

• 221

• 321

• 213

• 421

Choose the pattern that shows ten less than the number before it.

• 930, 925, 920

• 930, 940, 950

• 930, 920, 910

• 930, 929, 928

Which equations are true? Choose all that apply.

• 745 + 10 =754

• 457 + 100 = 557

• 856 + 10 = 866

• 800 + 100 = 700

Which equations are true? Choose all that apply.

• 339 + 10 = 349

•  654 + 100 = 754

• 359 + 10 = 459

• 458 + 100 = 358

A series of numbers is written below. What is the missing number? 

234, 244, 254, ___

• 284

•  264

• 354

• 255

A series of numbers is written below. What is the missing number? 

688, 788, 888, ___

• 889

• 898

• 988

• 887