Driskell, S. (PI), University of Dayton Research Council Seed Grant, $4,000Shannon O.S. Driskell
(Problem Solving《Fractions》 Primary6 Question #14) There were 248 pupils in the canteen. When 58 of the boys and 47 of the girs left the canteen, the number of boys and girls who remained at the canteen became 96. How many boys were there in the canteen at first?
(Problem Solving《Fractions》 Primary3 Question #37)Sue wanted to buy a birthday present for her father but she had no money.Sue asked her mother for help and her mother agreed, provided she can answer her question.Her mother would give her ＄1 on the first night, ＄2 on the second ni...
(Problem Solving《Fractions 2》 Primary4 Question #6)Alvin and Kristie had the same number of stamps. After Alvin lost of his stamps and Kristie bought another 18 stamps, Alvin had as many stamps as Kristie. How many stamps did each of them have at first?
(Problem Solving《Fractions》 Primary2 Question #25)Alex and Halik are throwing balls into the buckets below at a carnival.Whoever scores exactly 22 points, 31 points or 43 points with the least number of throws wins the prize.(1)What is the least number of throws needed to score exactly ...
1(Problem Solving《Fractions》 Primary6 Question #18)1096 pupils wore red or white T-shirts for National Day Celebration in a school. 712 of the girls and 38 of the boys wore white T-shirts. 565 pupils wore red T-shirts.(1)How many girls wore white T-shirts?(2)How many boys wore ...
【题目】【题目】(Problem Solving《Fractions》 Primary3 Question #【题目】(Problem Solving《Fractions》 Primary3 Question #【题目】(Problem Solving《Fractions》 Primary3 Question #【题目】(Problem Solving《Fractions》 Primary3 Question #41) A ta fun fair ,8 hamburger sar esold fo revery 5 app ...
(Problem Solving《Fractions》 Primary3 Question #31) When the same whole number is added to both the numerator and denominator of 49, the value of the new fraction is 23. What number is added to both the numerator and denominator?相关知识点: ...
San Francisco, CA: Jossey-Bass. Xie, J., & Masingila, J. O. (2017). Examining interactions between problem posing and problem solving with prospective primary teachers: A case of using fractions. Educational Studies in Mathematics, 96(1), 101–118. Article Google Scholar Download references...
3 参考答案 1.Correct Answer: B Explanation: One way to deal with fractions is to convert them all to decimals. (Using your calculator, divide the numerator by the denominator). In this case all you would need to do is to see which is greater than 0.5. Otherwise to see which is ...