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045-P1-2

1. Write number sentences, then write the answers.
a. There are 210 chickens and 140 ducks in Minji’s farm. How
many animals are there in all?
Number sentence:
Answer:

b. There are 690 people on a train. 340 people got off the train at
this station. How many people are left on the train?
Number sentence:
Answer:

c. There is a storybook with 480 pages. Minji read 340 pages of
the book. How many pages are left?
Number sentence:
Answer:
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