Subtracting hundreds and tens
Rocky had 352 Pokemon cards. He gave 118 Pokemon cards to Oliver. How many cards does Rocky have left?
352-118=234
Braxton's book is 634 pages. He has read 562 pages so far. How many pages does he have left?
634-562=72
500-200=
300
There are 636 blue and red balls in the school. 259 are blue. How many are red?
636-259=377
Mrs. Rahauser has 500 pencils. The class uses 428. How many pencils does Mrs. Rahauser have left?
500-428=72
Harper planted 603 seeds in the ground. 408 of the seeds grew into flowers. How many seeds did not grow into flowers?
603-408=195