1) Add by counting ones a) 99 b) 95 c) 59 2) Add by counting ones a) 98 b) 107 c) 89 3) Add by counting 10s a) 48 b) 58 c) 08 4) Add by counting 10s a) 56 b) 66 c) 83 5) Add by counting 10s a) 72 b) 92 c) 79 6) Add using standard algorithm a) 88 b) 12 c) 76 7) Add using standard algorithm a) 65 b) 85 c) 88 8) Add by counting 10s a) 379 b) 389 c) 370 9) Add by counting 100s a) 629 b) 639 c) 728

C1 L2 Adding wthout Regrouping

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