Rounding Estimating

Which of these numbers does NOT round to 50 when rounded to the nearest 10?

• 55

• 45

• 51

• 47

A team sweatshirt costs $38. What is this cost rounded to the nearest ten dollars?

• 10

• 30

• 35

• 40

There are 372 workers at a software company. What is this number rounded to the nearest hundred?

• 200

• 300

• 400

• 500

Which number rounds to 340 when rounded to the nearest ten?

• 345

• 334

• 335

• 346

Which number rounds to 500 when rounded to the nearest hundred?

• 552

• 548

• 446

• 560

Estimate: 18 + 53

• 70

• 71

• 60

• 80

Estimate: 37 + 52

• 80

• 90

• 89

• 100

Estimate to the nearest hundred: 642 + 212

• 800

• 900

• 850

• 854

Estimate to the nearest hundred: 109 + 688

• 700

• 750

• 800

• 900

What is 238 rounded to the nearest ten?

• 200

• 300

• 230

• 240