Addition Algorithm
602 + 325 =
927
318 + 497 =
300 + 500 = 800
983 -241 =
983 -241 = 742
203 - 158 =
203 - 158 = 45
John has 478 Pokemon cards and Andrew has 312. How many Pokemon cards do they have all together?
790 Pokemon cards
416 + 372 =
788
284 + 693 =
300 + 700 = 1,000
627 - 341 =
627 - 341 = 286
608 - 189 =
608 - 189 = 419
Amy works as a baker. One day, she made 427 cookies and 128 muffins. How many more cookies than muffins did Amy make?
299 more cookies
538 + 912 =
1,450
149 + 267 =
100 + 300 = 400
1,234 - 765 =
1,234 - 765 = 469
1,089 - 597 =
1,089 - 597 = 492
A bookstore received its order with 3,859 books and 2,568 magazines. How many items are there in all?
There are 6,426 items in all.
3,849 + 7,652 =
11,501
1,864 + 2,035 =
2,000 + 2,000 = 4,000
15,687 - 12,315 =
15,687 - 12,315 = 3,372
14,006 - 6,827 =
14,006 - 6,827 = 7,179
A food stand at the carnival had 127 corndogs, 438 ice pops and 264 bags of cotton candy. How many more corndogs and ice pops are there than bags of cotton candy?
There are 301 more corndogs and ice pops than bags of cotton candy.
42,364 + 29,856 =
72,220
15,624 + 28,357 =
20,000 + 30,000 = 50,000
72,341 - 34,568 =
72,341 - 34,568 = 37,773
40,306 - 31,589 =
40,306 - 31,589 = 8,717
A paint manufacturer makes 18,671 cans of black paint, 12,354 cans of red paint and 18,967 cans of yellow paint. How many more cans of black and red paint are there than cans of yellow paint?
There are 12,058 more cans of black and red paint than there are cans of yellow paint.