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173-B4-1

The Sum and Difference of Weights (1)
1. Find the sum of weights.

Example

2 lb 8 oz 2 lb 8 oz
+ 1 lb 12 oz + 1 lb 12 oz

+ 1 lb 16 oz

a. 2 lb 12 oz b. 3 lb 8 oz c. 5 lb 12 oz
+ 1 lb 1 oz + 2 lb 7 oz + 2 lb 6 oz

lb oz lb oz lb oz

d. 1 lb 9 oz e. 3 lb 15 oz f. 2 lb 6 oz

+ 1 lb 12 oz + 1 lb 4 oz + 4 lb 14 oz

lb oz lb oz lb oz

g. 4 lb 11 oz h. 5 lb 15 oz i. 3 lb 10 oz

+ 4 lb 11 oz + 2 lb 10 oz + 4 lb 14 oz

lb oz lb oz lb oz