What I Know Before you start studying this module, try to answer the following questions to determine how much you already know about the lessons Directions: Choose the letter of the correct answer. 1. Mrs. Diaz bought 3 kg of mangoes. She used 1 kg of mangoes for the salad. How many kg of mangoes were left? What is asked in the problem? a. The mangoes she bought c. The kg of mangoes left b. The kg of mangoes she used d. the total kg of mangoes she has 2. Betty has 1 meters of red ribbon, 2 meters of blue ribbon and 1 meters of yellow ribbon. How many meters of ribbon does she have? What operation to use to solve the problem? a. Addition b. Subtraction c. Multiplication d. Division 2 3. Arman has to travel 5 km going to his work. He rides a jeep for 3 km, rides a motorcycle for 1 km and walk for the rest. How many km does he walk? What is the hidden question to the problem? a. The distance he travels going to work b. The number of kin he rides the jeep and motorcycle c. The total km he walks d. The difference of the kin he rides the jeep and motorcycle 1 4. Thomas help in doing the household chores. He spent of an hour scrubbing the floor, of an hour washing the dishes and of an hour watering the plants. How long did it take him to do all the task? What are the given in the problem? a. spent of an hour scrubbing the floor, of an hour washing the dishes and of an hour watering the plants b. How long did it take him to do all the task? c. Addition d+*+ = 1 3 5. What is the answer to the problem in number 4? 1 a. 1 b. 2 d. 4 1 20 d. c. 3 10 20​