Grade 07 Approximation and Estimation Quiz Number 01

845 is __________ when rounded to the nearest hundred.

• 800

• 840

• 850

• 900

Round off 678,507,323 to the nearest ten thousands.

What is the largest 3-digit number that rounds off to 400?

Which of the following numbers would round to 435,700,if the number is rounded to the nearest hundreds?

• 435,694

• 434,695

• 435,751

• 433,725

176 050 ( nearest thousand )

• round up

• round down

130 045 ( nearest ten thousand)

• round up

• round down

Round off 156 to the nearest tens.

• 200

• 250

• 160

• 180

True or False.

7 654 when rounded to the nearest hundreds is 7 700.

• True

• False

Estimate to the thousands place.
38,674 + 83,102 =

• 122
• 122,000
• 120,000
• 121,776

Estimate to the ten thousands place.  
47,623 - 12,385 =

• 40
• 34,238
• 40,000
• 30,000