Solve the following problem. Fill in the blanks.

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

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

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

Mrs. Holmes' class collected 5,678 pounds of recycling. Mrs. Altom's class collected 4,089 pounds. How many more pounds did Mrs. Holmes' class collect?

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?

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

Find the difference for 9,004 and 398.

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

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

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?

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

How can you use a method different from standard algorithm (like break apart, compatible numbers, etc.) to add 262 + 399 + 172?