Problem Solving 3
1. 380 children went to a school fair in the morning, and 517 children went to the fair in the afternoon. Ellen said, “In round numbers, 900 children went to the school fair.” Was she correct? Yes or No
2. The third graders earned $ 19.23, and the fourth graders earned $25.91. To the nearest dollar, how much did each grade earn?
3. Each of 48 boys and 36 girls bought an apple at the fair. Imagine that you are telling someone about how many apples they bought altogether. Which is the better round number to use, 80 apples or 100 apples?
4. Jon said his baby sister weighed 19 pounds. Michelle said her little brother weighed 33 pounds. How much less did Jon’s baby sister weigh than Michelle’s little brother?
5. Sam had 53 shells. He gave away 9 of them. How many did he have left?
6. Laurel came to the pet store. She bought a kitten for $7.50. she paid for it with a ten-dollar bill. How much money should the clerk have given her?
7. Susie gave 8 shells to each of 5 friends. How many shells in all did she give to her 5 friends? 5X8=
8. David was saving money to buy animal pictures. He saved 7 cents a week for 7 weeks. How many cents did he save in the 7 weeks? 7X7=
9. Carol put colored leaves in a book that had 8 pages. She put 6 leaves on each page. How many colored leaves did Carol put in this book?
8X6=
10. Will planted 9 rows of seeds in a box. He planted 5 seeds in each row. He planted how many seeds in all?