Week 9
Jump the Number line
Compensation/Rounding
1. 82 - 39 =
2. 173 - 28 =
3. 225 - 49 =
4. 316 - 38 =
5. 424 - 67 =
6. 208 - 57 =
7. 321 - 46 =
8. 283 - 59 =
9. 192 - 75 =
10. 64 - 38 =
HEXAGONS
Jump the Number line
Compensation/Rounding
1. 82 - 39 =
2. 173 - 28 =
3. 225 - 49 =
4. 316 - 38 =
5. 424 - 67 =
6. 208 - 57 =
7. 321 - 46 =
8. 283 - 59 =
9. 192 - 75 =
10. 64 - 38 =
OBLONGS
Compensation-
Making tidy tens
1. 37 + 7 =
2. 48 + 9 =
3. 56 + 7 =
4. 49 + 6 =
5. 28 + 36 =
6. 48 + 25 =
7. 68 + 26 =
8. 77 + 18 =
9. 137+ 49 =
10. 128 + 45 =
TRIANGLES
Adding On/Counting Back
1. 39 + 7 =
2. 46 + 8 =
3. 36 + 8 =
4. 48 + 7 =
5. 38 + 6 =
6. 29 + 5 =
7. 75 + 8 =
8. 56 + 7 =
9. 138 + 6 =
10. 149 + 5 =
CIRCLES
Jump the Number line
Compensation
1. 256 + __ = 349
2. 215 + ___ = 439
3. 49 + ___ = 92
4. 327 + ___ = 433
5. 197 + 213 =
6. 298 + 253 =
7. 1996 + 376 =
8. 538 + 295 =
9. 674 + 399 =
10. 2889 + 434 =
Jump the Number line
1. 256 + __ = 349
2. 215 + ___ = 439
3. 49 + ___ = 92
4. 327 + ___ = 433
5. 197 + 213 =
6. 298 + 253 =
7. 1996 + 376 =
8. 538 + 295 =
9. 674 + 399 =
10. 2889 + 434 =
Compensation-
Making tidy tens
1. 38 + 7 =
2. 46 + 6 =
3. 57 + 8 =
4. 39 + 7 =
5. 27 + 26 =
6. 37 + 25 =
7. 58 + 24 =
8. 66 + 26 =
9. 145 + 39 =
10. 137 + 46 =
Adding On/Counting Back
1. 38 + 7 =
2. 46 + 6 =
3. 57 + 8 =
4. 39 + 7 =
5. 27 + 6 =
6. 37 + 5 =
7. 58 + 4 =
8. 66 + 6 =
9. 145 + 9 =
10. 137 + 6 =
Week 8
HEXAGONS
OBLONGS
TRIANGLES
Making Tidy 10s
29/3/11
CIRCLES
Counting on/back
30/11
28/3/11
Jump the Number line/ Compensation
1. 119 + 1 + 25 = 145
119 + 26 = 145
2. 136 + 120 - 3 = 253
136 + 117 = 253
3. 145 + 220 - 3 = 362
145 + 217 = 362
4. 238 + 30 + 5 = 273
238 + 35 = 273
5. 337 + 200 + 50 - 5 = 582
337 + 245 = 582
6. 137 + 97 = (137-3) + (97+3)
137 + 97 = 135 + 100 = 235
7. 253 + 195 = (253-5) + (195+5) = 248 + 200 = 448
8. 2134 + 1998 =
(2134-2) + (1998+2) =
2132 + 2000 = 4132
9. 193 + 139 =
(193+7) + (139-7) = 200 + 132=
=332
10. 257 + 299 =
(257-1) + (299+1)=
256 + 300 + 556
28/3/11
Jump the Number line/ Compensation
(See Hexagons for answers)
1. 119 + ___ = 145
2. 136 + ____ = 253
3. 145 + ___ = 362
4. 238 + ___ = 273
5. 337 + ___ = 582
6. 137 + 97 =
7. 253 + 195 =
8. 2134 + 1998 =
9. 193 + 139 =
10. 257 + 299 =
1. 86 + 9 = (86 + 4) + (9 - 4)
= 90 + 5 = 95
2. 131 - 6 = (131 - 1) - 5
= 130 - 5 = 125
3. 138 + 8 = (138 + 2) + (8 - 2)
= 140 + 6 = 146
4. 143 - 7 = (143 - 3) - 4
= 140 - 4 = 136
5. 129 + 7= (129 + 1) + (7 - 1)
= 130 + 6 = 136
6. 241 - 5 = (241 - 1) - 4
= 240 - 4 = 236
7. 177 + 6 = (177 + 3) + (6 - 3)
= 180 + 3 = 183
8. 322 - 4 = (322 - 2) - 2
= 320 - 2 = 318
9. 148 + 7 = (148 + 2) + (7 - 2)
= 150 + 5 = 155
10. 473 - 9 = (473 - 3) - 6
= 470 - 6 = 464
1. 23 + 5 = 28
2. 35 + 6 = 41
3. 48 + 4 = 52
4. 77 + 6 = 83
5. 69 + 7 = 76
6. 32 - 6 = 26
7. 41 - 5 = 36
8. 53 - 4 = 49
9. 24 - 8 = 16
10. 62 - 5 = 57
Marking (and Oblongs)
Jump the Number line
28/3/11
Jump the Number line
1. 37 + ___ = 82
2. 48 + ___ = 123
3. 56 + ___ = 94
4. 123 + ___ = 166
5. 119 + ___ = 145
6. 136 + ____ = 253
7. 145 + ___ = 362
8. 238 + ___ = 273
9. 337 + ___ = 582
10. 226 + ___ = 354
Marking
Jump the Number line
1. 27 + 3 + 100 + 9 = 139
27 + 112 = 139
2. 41 + 67 = 98
41 + 9 + 58 = 98
3. 69 + 31+ 23 = 123
69 + 54 = 123
4. 12 + 88 + 77 = 177
12 + 165 = 177
5. 27 + 73 + 81 = 181
27 + 154 = 181
6. 29 + 60 - 1 = 88
29 + 59 = 88
7. 54 + 46 + 31 = 131
54 + 77 = 131
8. 65 + 35 +23 = 123
65 + 58 = 123
9. 78 + 22 +134 = 234
78 + 22 +156 = 234
10. 84 + 16 +151 = 251.
84 + 166 = 251
1. 23 + 77 = 100
2. 172 + 28 = 200
3. 79 + 21 = 100
4. 86 + 14 = 200
5. 315 + 85 = 400
6. 328 + 172 = 500
7. 239 + 161 = 400
8. 719 + 81 = 800
9. 256 + 44 = 300
10. 486 + 14 = 600.