3rd Grade Math Centers

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A grocer has a sack of pumpkins. He adds a

9 kilogram pumpkin to the sack and then it

weighs 73 kilograms. How much did the sack of

pumpkins weigh to begin with?

Lisa’s cat weighs 5 kilograms. Her dog

weighs 34 kilograms. How much more does

her dog weigh than her cat?

A farmer loads two sacks of onions onto a
truck. The two sacks have a total mass of 83
kilograms. One sack weighs 49 kilograms. What
is the weight of the other sack?

Each morning a farmer fills a water trough

with 36 liters of water. During the day the

pigs drink all the water. If each pig drinks about

4 liters of water, how many pigs does the farmer

have?