Problem solving



  1. The janitor cleaned 32 rooms. He has to clean 50 rooms in all. How many more
rooms does he have to clean?





  1. Mrs. Lim had 54 cupcakes. She gave away some of them to the Child Care Center. Then, she had 18 cupcakes left. How many cupcakes did Mrs. Lim give away?






3. Mang Ricardo picked 207 mangoes. 48 of them were ripe. How many were green?






  1. La Salette Elementary School had 1,257 pupils last year. This year it has 561 more pupils than it
had last year. How many pupils are there this year? How many pupils were enrolled last year and
this school year?





  1. Harold bought two pens for P25.00. How much change did he get for P100.00?






  1. Father started a poultry by raising 245 chickens. After a week, 80 of them were sold. How many
chickens were left?






  1. In a week, Mother gathered 328 eggs. Fifteen eggs were broken. The rest were sold in the market. How many eggs were sold.





  1. Father bought 256 bags of bags of chicken feed. In a week, he used 132 bags. How many bags
were left?



  1. From one mango tree, the Santos family harvested 324 mangoes. From another mango tree, they
harvested 255 mangoes.
    1. How many mangoes did they harvest in all?





    1. If 100 mangoes were given to their neighbors, how many were left?





  1. Lito’s pet shop had 523 fish. Last week, 267 fish were sold. How many fish were left?






  1. Last week, Lito had 274 customers. This week, he had 352 customers. How many more
customers does he have this week than last week?






  1. Henry had 375 boxes of chocolates to sell during the school fair. At the end of the day, 183 boxes
were unsold. How many boxes were sold?







  1. Christopher had to answer a 100-item test in Math. In test I he got 7 mistakes while in test II, he got 5 mistakes. How many items did he answer correctly?






  1. Simon collected 54 stamps and Michael collected 63 stamps. They decided to give their classmate
Ritchie 34 stamps. How many stamps were left with Simon and Michael?






  1. Miss Ong has 48 pupils in her class. One morning, 4 boys and 5 girls were absent. How many
pupils reported to Miss Ong’s class on that day?

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