Is it reasonable to think that 40,000 + 40,000 = 8,000?

The Georgia Aquarium saw 100,000 people last week. If 76,893 people came on the weekend, how many people came during the weekdays?

Solve the following problem. Fill in the blanks.

Mrs. Holmes drank 168 fluid ounces of coffee last week. Mrs. Lightstone drank 42 fluid ounces less. How much coffee did they drink altogether?

There are 893 students at Sharon, 1,369 students at Johns Creek, and 1,655 students at Daves Creek. What is the total number of students rounded to the nearest thousand, hundreds, and tens? Which answer is the closest to the exact answer?

Find the difference between 6,241 and 2,968.

Mrs. Holmes' class collected 5,678 pounds of recycling. Mrs. Altom's class collected 4,089 pounds. If the goal was to collect 16,000 pounds, how many more pounds do they still need?

Find the sum of 93,728 and 32,859.

How can you use a method different from standard algorithm (like break apart, compatible numbers, etc.) to add 54 + 69 + 32?

Find the sum for 564, 892, 704, and 963.

Mrs. H set a budget for Little T's 2nd birthday party for $600. If she spent $135 on making decorations, $119 on his birthday present, and $69 on party favors, how much would she have left for the food?

Find the difference for 9,004 and 398.

Is it reasonable to say that 883 + 499 = 1,042