Add and Subtract Decimals (Double Points)

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The table on the right shows some world-record size fish weights. What is the combined weight of the two lightest fish?
1. 12.24 kg
2. Study
3.58 + 7.4 =
1. 10.98
2. Study
271.2 + 6.63 =
1. 277.83
2. Study
The table on the right shows some world-record size fish weights. What is the difference between the two heaviest fish?
1. 1.81 kg
2. Study
The table on the right shows some world-record size fish weights. How many kg would you need to add to the trout to have as much fish as the salmon?
1. 23.08 kg
2. Study