Rounding Vocabulary & Conceptual Knowledge

Rounding:

• Finding an exact answer

• Finding a precise answer

• Finding an approximate answer

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

True or False: Rounding is a way to estimate.

• True

• False

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Estimating:

• Finding a precise number.

• Finding a rough calculation.

• Finding the exact calculation.

We use several words to explain that we are estimating. Choose all the word that help show that the number is an estimation.

• exactly

• about

• preciesly

• roughly

• approximately

If I were to round the number 365, would it be closer to 300 or 400?

• 300

• 400

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

If I were to round the number 27, would it be closer to 20 or 30?

• 20

• 30

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

If I were to round the number 1,489, would it be closer to 1,000 or 2,000?

• 1,000

• 2,000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

People round numbers all the time... can you give an example of when people may give a rounded number instead of an exact number?

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

What does it mean to overestimate?

• To give a number that is less than your exact number.

• To give a number that is greater than your exact number.

• To give an exact number

• You are tired of your teacher asking you to estimate

What does it mean to underestimate?

• To give an exact number

• To give a number that is greater than your exact number.

• To give a number that is less than your exact number.

• Your teacher isn't asking you to estimate enough

Tags

CCSS.RI.3.10

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4