Estimating the Difference
458-341
200
24-18
6
531-352
179
500-451
49
537 + 356 - 275
654
5,490-376
5,100
357-184
173
4,381 - 3,653
728
5,003-3,630
1,373
2,503 - 602 + 6,194
8,095
3,385-2,529
0
6,739 - 2,812
3,927
60,487-59,409
1,078
24,001 - 15,781
8,220
Jim has 17 cars. His gives 6 to his little brother. He then gets 13 cars for his birthday. How many cars does Jim have now?
24
65,392 - 32,549
32,000
50,869 - 43,256
7,613
78,906-69,895
9,011
50,061-48,720
1,341
Rachel has 135 cows. She sold 57 of them at an auction. The next week, she bought 168 more. How many cows does Rachel have now?
246
99,999 - 49,500
50,000
476,856 - 452,760
24,096
875,674 - 597,563
278,111
600,527 - 244,251
356,276
George had 368 marbles. He lost some of them one day. Then he went to the store and bought 150 more marbles. He now has 425 marbles. Write an equation with a variable, then solve how many marbles he lost.
368 - m + 150 = 425
m= 93