Adding
4 + 3 =
7
10 - 4 =
6
1 x 6 =
6
What number does this expanded form represent?
1,000 + 800 + 90 + 3
1,893
Emma is a librarian at the school library.
The first graders came to the library and borrowed 12 books and then the second graders came in to the library and borrowed 16 books. How many books in total were borrowed?
28 books
12 books + 16 books = 28
25 + 10 =
35
35 - 10 =
25
2 x 4 =
8
What number does this expanded form represent?
8,000 + 100 + 30 + 8
8,138
There were a total of 46 picture books in the library but 21 of them were borrowed. How many picture books are left in the library?
25 books
46 books - 21 borrowed books = 25
23 + 43 =
63
59 + 29 =
88
5 x 6 =
30
Give the expanded form of 3,620
3,000 + 600 + 20
Emma was cleaning up the shelf with the fiction books. There were 16 fiction books on the shelf. She found 4 fiction books on another shelf and 8 more on the bench in the library. How many fiction books were there?
28 books
16 books on the shelf + 4 books on the other shelf + 8 books on the bench = 28
69 + 17 =
86
321 - 216 =
105
8 x 4 =
32
What number is represented by this expanded notation?
(4 x 100,000) + (1 x 10,000) + (3 x 1,000) + (2 x 100) + (6 x 10) + (8 x 1)
413,261
There were a total of 46 picture books in the library but 21 of them were borrowed and 7 were lost. How many picture books are left in the library?
18 books
46 books to start - 21 borrowed books - 7 books lost = 18
219 + 102 =
321
300 - 12 =
288
8 x 8 =
64
What number is represented by this expanded notation?
(7 x 100,000) + (4 x 10,000) + (2 x 100) + (6 x 10)
740,260
Last week, the third graders came to the library and borrowed 15 books. This week they returned 9 books and borrowed 6 more. How many books are the third graders keeping at home?
30 books
15 books + 9 books + 6 books = 30