Adding and subtracting using multiples of 10, 100, 1000, 10 000 and 100 000 | Starter Quiz | Oak National Academy

1. Use the 'round and adjust' strategy to solve: 398 + 212.

• 600

• 601

• 610

• 620

2. Use the 'find the difference by adding on' strategy to complete the equation: 438 + _____ = 620.

• 160

• 180

• 181

• 182

Tags

CCSS.1.OA.C.6

3. Use the 'partitioning for subtraction' strategy to solve: 487 - 134 =

• 301

• 328

• 353

• 377

Tags

CCSS.2.NBT.B.7

4. Use addition and subtraction to find the missing part of this equation: 124 + ______ + 330 = 754

• 156

• 200

• 209

• 300

5. Use addition and subtraction to find the missing part of this equation: 389 + ______ + 421 = 924

• 114

• 214

• 414

• 814