1) The mass of 1 orange is 100 grams. What is the mass of 5 oranges? a) 100 x 500 = 50,000 grams b) 5 x 100 = 500 grams c) 1 x 100 = 100 grams 2) The mass of a pencil is 115 grams. The mass of a book is 385 grams. What is the total mass? a) 115 x 385 = 44,275 grams b) 115 + 385 = 500 grams c) 385 - 115 = 270 grams 3) José has 425 grams of apples. If he eats an apple of 200 grams, how much will he have left? a) 425 - 200 = 225 grams b) 425 + 200 = 625 grams c) 425 ÷ 200 = 2.125 grams 4) Hamlet needs 300 grams of cheese to put on a pizza. He has only 210 grams. How much more cheese does he need? a) 210 + 210 = 420 grams b) 300 + 210 = 510 grams c) 300 - 210 = 90 grams 5) Peter has a mass of 82 kilograms. John is 5 kilograms heavier than Peter. What is the mass of John? a) 82 + 5 = 87 kilograms b) 82 - 5 = 77 grams c) 82 + 5 = 87 grams

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