Example 6: Calculat
WARM-UP PRACTICE
1. Calculate: (a) 29+54 +46
2. Calculate: (a) 57 +21 + 19
3. Calculate: (a) 34+29+36 1
4. Calculate: (a) 44-18-2
5. Calculate: (a) 34+ 17-24
6. Calculate: (a) 11 +8+19+32 +81 +68
7. Calculate: (a) 19 +19+19
8. Calculate: (a) 17+17+17
9. Calculate: (a) 51 +52 +53 +54
10. Calculate: 1+3+5+7+9+11+13+15+17+19
11. Calculate: 2+4+13+16+47 +98
12. Calculate: 25+27+29+31+33 +35
13. Calculate: 55-51+47-43 +39-35
(b) 23+19+77 +11
(b) 33+21+17+29
(b) 75+21+25
(b) 63-15-5
(b) 35-10+5
(b) 32+23+18+7
(b) 31+32+33
(b) 29 +29+29
(b) 11+9+12+13