Compatible Numbers Video

Why is decimal division often considered tricky?

• It is impossible to solve without a calculator.

• It involves fractions.

• It requires memorizing formulas.

• It looks messy and complicated.

Are you enjoying the video lesson?

• Yes

• No

What is the first step in the estimation process?

• Multiply the numbers instead of dividing.

• Divide the numbers directly.

• Find the exact answer using a calculator.

• Round the divisor to a friendly number.

If you estimate 39.1 divided by 17 as 2, what happens to the answer if the problem changes to 3.91 divided by 17?

• The answer becomes 10 times larger.

• The answer becomes 10 times smaller.

• The answer remains the same.

• The answer becomes 100 times smaller.

Xavier buys 13 bags of popcorn for $38.60. Using estimation, how much does each bag cost?

• $2

• $5

• $3

• $4

Edward biked 389.2 miles over 28 days. Using estimation, how many miles did he bike each day?

• 13 miles

• 15 miles

• 10 miles

• 12 miles