Page 29 - 01-Yr5_Front cover-ccp.indd

31

m

a Any 3 out of 11 , 22, 33, 44, 55, 66,
77, 88, qq.
b Any 3 out of 313, 323, 333, 343,
353,363,373,383,3q3.
c Any 3 out of 1 001 , 1111 , 1221 ,
1 331 ' 1 44 1 ' 1 55 1 ' 1 661 ' 1 771 '
1881, 1qq1.
d Any 3 out of 2002, 2112, 2332,
2442,2552,2662,2772, 2882,
2qq2.
Challenge
[g] n = 1 , c = 6, y = 2, f = 8

a 34 b , 135 c 48
+ 43 + 531 + 84 00
77 666 132
Open: find more 1-step and 2-step Practical: make digit cards.
+ 231
363 palindromic totals. (e.g. 1-step: 245,
302, 2613; 2-step: 358, 558, 34 71)
d 445 e 731 f 271
+ 544 + 137 +172 ~ a 3 + 4 + 6 + 8 + q = 30
qqq 868 443
+ 344 a 5q b 5q c 7q b 3 + 4 + 6 + 8 = 21 3 + 4 + 6 + q = 22 3 + 4 + 8 + q = 24
4 + 6 + 8 + q = 27
3 + 6 + 8 + q = 26
787 + qs + q5 + q7
154 165 176 c 3+4+6= 13 3+ .4+8= 15 3+4+q= 16 3+6+8= 17 3+6+q= 18
g 153 h 1264 318 + 451 + 561 671 4 + 6 + 8 = 18 4 + 6 + q = 1 q 4 + 8 + q = 21 6 + 8 + q = 23 3 + 8 + q = 20
+ 351 + 4261 + 813 726 + 847
504 5885 1131 605 + 627 748
+ 405 + 1311 + 506 1353 + 15q5
qoq 2442 1111
+ 3531 + 5%1 Open: make different totals using the six digit cards.
23q 4884 7546
+ q32 Challenge + 6457
1171 14003
+ 1711 Open: find more palindromic totals where you + 30041 Open: loop the highest and lowest totals made.
2882 need more than 2 steps (e.g. 2653, 827). 44044 (Highest total: q8643 + 1 = q8644 Lowest total: q + 8 + 6 + 4 + 3 + 1 = 31 )