Addition
100 + 245 =
345
456 - 52 =
404
126 rounded to the nearest hundred is ...
100 !
4 x 6 =
24
255 + 122 =
377
540 - 228 =
312
849 rounded to the nearest hundred is...
800 !
3 x 5 =
15
399 + 415 =
814
644 - 135
509
224 rounded to the nearest 10 is...
220 !
10 x 10 =
100
135 + 644 =
779
547 - 299 =
248
951 rounded to the nearest 10 is...
950 !
100 + 100 + 100 =
300
547 + 298 =
845
566 - 347 =
219