Estimating with Compatible Numbers in 4th Grade Math

What grade level is the concept of estimation and compatible numbers taught in Texas?

• Fifth Grade

• Fourth Grade

• Third Grade

• Sixth Grade

What is the primary mathematical operation used in the problem discussed in the video?

• Division

• Addition

• Multiplication

• Subtraction

What does the teacher suggest doing first when estimating?

• Round to the nearest ten

• Round to the nearest hundred

• Ignore small numbers

• Calculate the exact sum

What is the actual sum of miles calculated before rounding?

• 867 miles

• 870 miles

• 1000 miles

• 900 miles

What rounding strategy did the teacher use first?

• Nearest ten

• Nearest thousand

• Nearest fifty

• Nearest hundred

After rounding to the nearest ten, what was the new total?

• 867 miles

• 870 miles

• 880 miles

• 875 miles

Why might rounding to the nearest hundred be less accurate?

• It is not a common practice

• It ignores smaller units

• It is too precise

• It rounds up too often

What was the final rounded estimate to the nearest hundred?

• 950 miles

• 800 miles

• 850 miles

• 900 miles

Which number was considered 'strange' and why during rounding to the nearest hundred?

• 78, because it is less than 100

• 110, because it is exactly between two hundreds

• 181, because it is nearly 200

• 288, because it is close to 300

What is the best estimate for the total miles traveled, according to the video?

• 900 miles

• 870 miles

• 1000 miles

• 867 miles