What are opposite operations that undo each other?
300
Marci had 455 rocks in her rock collection. She gives 298 of them to her little brother. She now how this many rocks in her collection.
What is 157 rocks?
300
980,564+103,727
What is 1,084,291?
300
75,093+93,892 is ABOUT this much.
What is 75,000+93,900=168,900?
300
This is 86,038 rounded to the nearest TEN thousand.
What is 90,000?
400
The answer to a subtraction problem.
What is difference?
400
John saw 9,362 animals on his safari. Suzie saw 817 less than Louis. Louis saw 1,100 more than John. This is how many animals Suzie saw.
What is 9,645 animals?
400
Mark got 602 points in spelling in the first quarter. Shelly got twice as many points as Mark did. Tom had 392 more points than Shelly. This is how many points Tom had.
What is 1,596 points
400
Mark got 602 points in spelling in the first quarter. Shelly got twice as many points as Mark did. Tom had 392 more points than Shelly. This is how many points Tom had.
What is 1,596?
400
This is 145,836 rounded to the nearest thousand.
What is 146,000?
500
This is sometimes called "borrowing" but this is another word for this.
What is regrouping?
500
George mad 84,899 pencils in the factory in the first week. The second week he made 6,788 less pencils than he did the first week. The 3rd week, he made 988 less pencils than he did the second week. This is how many pencils he made the 3rd week.
What is 17,123 pencils?
500
There are 835 books in the school library. There are 400 less books in the city library. The city library has 1,514 books donated to it. This is how many books that city library has.
What is 1,949 books?
500
There are 837 butterfly stamps, 719 heart stamps and 389 flower stamps. This is ABOUT how many there are all together.
What is 1,900?
500
This is 1,367,208 rounded to the nearest hundred thousand.