Estimation of numbers up to 100 000

What does estimation mean?

• The exact answer

• An approximate answer

• A product.

• A quotient.

Estimating is to....

• find the exact answer

• find something close to the correct answer

• use an algorithm

Tags

CCSS.3.OA.D.8

To estimate means to find something close to the correct answer.

• True

• False

To approximate is to...

• Guess randomly

• Show that something is almost, but not completely, accurate or exact

• Use a proximity algorithm

• Solve exactly

Tags

CCSS.RI.3.10

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

The symbol ≈ means __________.

• approximately or about equal

• equal

• greater than

• smaller than

Estimate 3455 to most closed tens will be _____

• 2450

• 2460

Estimate 7960 to the closest hundreds will be_______

• 8000

• 7900

Estimate 54 890 to closed up thousands will be _________

• 54 000

• 55 000

• 56 000

• 53 000

98 570 can be estimated as ______ .

• 98 000 if close up to thousands

• 98 600 if close up to hundreds

• 100 000 if close up to hundred thousands

• 90 000 if close up to ten thousands

95 964 can be estimated to _______

• 90 000 if closed to ten thousands

• 100 000 if closed to ten thousands

• 95 000 if closed to thousands

• 96 if closed to thousands