1. Math Flash
Fractions I
By Monica Yuskaitis
翻译：蔡燕英

2. Parts of a Fraction
3 = the number of parts
其中一部分
4 = the total number of parts that
equal a whole
整数

3. Parts of a Fraction
3 = numerator分子
4 = denominator分母

4. Which number is circled?
被圈起来的号码是什么？
3
4 = denominator分母

5. Which number is circled?
被圈起来的号码是什么？
3 = numerator分子
4

6. ¾ looks like
四分之三看起来是这样子的
3 1/4 1/4
4 1/4

7. ¾ looks like
四分之三看起来是这样子的
1/4
3 1/4
4 1/4

8. ¾ looks like
四分之三看起来是这样子的
1/4 1/4
3
4 1/4

9. What fraction of the balls are purple?
紫色的球占了总数的几分之几？
3
4

10. What fraction of the balls are purple?
紫色的球占了总数的几分之几？
1
4

11. What fraction of the balls are
purple?
1
6

12. What fraction of the balls are purple?
紫色的球占了总数的几分之几？
4
6

13. What fraction of the rectangle is
purple?
4
6

14. What fraction of the balls are
purple?
紫色的球占了总数的几分之几？
2
6

15. What fraction of the pie is purple?
下面的饼分图的分数是多少？
4
4

16. What fraction of the pie is purple?
紫色部分占了饼分图的几分之几？
3
4

17. What fraction of the musical instruments have
strings?
有弹簧的乐器占了总数的几分之几？
2
5

18. What fraction of the fish have stripes?
有条纹的鱼儿占了总数的几分之几？
3
5

19. What fraction of the arrows
hit the bullseye?
击中红心的箭占了总数的几分之几？
1
3

20. What fraction of the pins are
knocked down?
被击倒的保龄球瓶占了总数的几分之几？
3
10

21. Credits
翻译是很痛苦的，
同学们要
珍惜老师所
牺牲的脑细胞！