45 - 21 =
45-21 = 24
479 - 337 =
No Regrouping, 479 - 337 = 142
679 - 141 =
679 - 141 = 538
7 826 - 6 907 =
7 826 - 6 907 = 919
There were 27 kids in Miss Applebottom's Grade 4 class. 12 students were wearing hoodies. How many students were NOT wearing hoodies?
27 - 12 = 15 students were not wearing hoodies.
50 - 26 =
50 - 26 = 24
851 - 419 =
Yes Regrouping, 851 - 419 = 432
983 -276 =
983 - 276= 707
9 045 - 5 737 =
9 045 - 5 737 = 3308
There were 372 red and blue balloons. If 165 of them were red, how many were blue?
372 - 165 = 207. There were 207 blue balloons.
64 - 41 =
64 - 41 = 23
7 849 - 1 711 =
No regrouping, 7 849 - 1 711= 6 138
831 - 768 =
831 - 768 = 63
2 498 - 1 599 =
2 498 - 1 599= 899
There were 605 people in the assembly. 76 students got up to sing. How many people were left in the audience?
605 - 76 = 529 people were left in the audience.
93 - 78 =
93 - 78 = 15
10 826 - 4 391 =
Yes regrouping, 10 826 - 4 391 = 6 435
637 - 258 =
637 - 258 =379
8 360 - 2 729 =
8 360 - 2 729 = 5 631
There were 9 268 books in the library. The third-grade class took out 759 books. How many books were left in the library?
9 268 - 759 = 8 509 books were left in the library.
82 - 39 =
82 - 39 = 43
10 438 - 7 915 =
Yes regrouping, 10 438 - 7 915 = 2 523
900 - 246 =
900 - 246 = 654
10 188 - 9099 =
10 188 - 7 416 = 1089
Ed Sheeran played a concert to 6 853 fans in London, England and to 4 678 fans in Paris, France. How many more fans did Ed Sheeran play to in London than in Paris?
6 853 - 4 678 = 2 175. Ed Sheeran played to 2 175 more fans in London than Paris.