George had 75 football cards. He gave 3-for-1 in four trades. Then he received 5-for-1 in two trades. How many cards does he have now? Write to help explain.

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Presentation transcript:

George had 75 football cards. He gave 3-for-1 in four trades. Then he received 5-for-1 in two trades. How many cards does he have now? Write to help explain your best thinking using words, numbers, or pictures.

answer: 75 cards

Answer: 34 or 94 I am a number less than 100. My units digit is a 4. The sum of my digits is an odd number. My tens digit is a multiple of 3. Who am I? Write to help explain your best thinking using words, numbers, or pictures. One jar is half full of vinegar and another jar twice its size is one quarter full of vinegar. Both jars are filled with water and the contents are mixed in a third container. What part of the mixture is vinegar? Write to help explain your best thinking using words, numbers, or pictures.

34 or 94 Answer: 1/3 vinegar

Monica is thinking of a number. Can you guess her number using these clues? It is a three digit number. Its digits are in descending order. It is divisible by three. The hundred's digit is two more than the one's digit. Add the the three digits will give you a dozen. Write to help explain your best thinking using words, numbers, or pictures.

Answer: 543

Jeff has less than 30 marbles. When he puts them in piles of 3 he has no marbles left over. When he puts them in piles of 2 he has 1 left. When he puts them in piles of 5 he has 1 left. How many does he have? Write to help explain your best thinking using words, numbers, or pictures.

Answer: 21 marbles

Jesse was out playing golf last Thursday On the first six holes, he lost 4 golf balls. On the next six holes, he lost one-half of the number of golf balls he had then. On the last six holes, he only lost 2 more golf balls. He finished with 4 golf balls. How many did he start with? Write to help explain your best thinking using words, numbers, or pictures.

Answer: 16 golf balls

Mrs. Green is buying cookies for the class party. She expects that each pupil will eat 4 cookies. How many dozen will she need if there are 24 pupils in the class? Write to help explain your best thinking using words, numbers, or pictures.

Answer: 8 dozen

answer: 75 cards

George had 75 football cards. He gave 3-for-1 in four trades. Then he received 5-for-1 in two trades. How many cards does he have now? Write to help explain your best thinking using words, numbers, or pictures.