making landmark or friendly numbers
DESCRIPTION
Making Landmark or Friendly Numbers. Category 1. Designed to be one away from a landmark or friendly number. 19 + 2 19 + 5 19 + 8 19 + 12. 9 + 8 19 + 5 9 + 26 16 + 19. 7 + 19 16 + 29 19 + 18 29 + 33. 39 + 16 28 + 39 59 + 13 23 + 49. 25 + 25 25 + 26 24 + 26 26 + 49. 49 + 8 - PowerPoint PPT PresentationTRANSCRIPT
Making Landmark or Friendly Numbers
Category 1
Designed to be one away from a landmark or friendly number
19 + 219 + 519 + 8
19 + 12
9 + 819 + 59 + 26
16 + 19
7 + 1916 + 2919 + 1829 + 33
39 + 1628 + 3959 + 1323 + 49
25 + 2525 + 2624 + 2626 + 49
49 + 849 + 2349 + 3749 + 51
46 + 5944 + 6958 + 3976 + 24
37 + 6979 + 2689 + 2899 + 19
99 + 599 + 1599 + 2699 + 51
Category 2
Consists of one addend that is two away from a multiple of ten or a landmark number
8 + 58 + 138 + 2418 + 7
8 + 418 + 6
28 + 1727 + 28
28 + 1625 + 3823 + 2728 + 45
18 + 6338 + 3767 + 2848 + 52
48 + 648 + 1723 + 4848 + 47
58 + 3624 + 7888 + 1468 + 33
98 + 598 + 1398 + 3498 + 52
8 + 4 + 1818 + 4 + 1828 + 5 + 2724 + 3 + 48
48 + 4 + 4848 + 49 + 398 + 97 + 5
99 + 98 + 97 + 5
Category 3
Consists of computational problems with two- and three-digit addends. The addends are one or more away from a
multiple of ten or landmark number.
99 + 3898 + 4798 + 99
99 + 99 + 5
119 + 26118 + 17129 + 16124 + 26
36 + 10949 + 108119 + 48
126 + 124
116 + 2939 + 127
114 + 11846 + 118
198 + 7199 + 13148 + 27139 + 43
128 + 34119 + 3656 + 129126 + 49
119 + 119149 + 149129 + 139199 + 199
249 + 22248 + 49225 + 49299 + 26
999 + 99998 + 49
997 + 199199 + 99 + 49