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分数、小数和百分数:解决问题

Authored by PHANG Moe

Mathematics

3rd Grade

Used 2+ times

分数、小数和百分数:解决问题
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

育明买了100个气球,其中12个气球是蓝色的,25个气球是绿色的,其他的是红色气球。红色的气球占了百分之几?

12%

25%

37%

63%

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

弟弟买了一个披萨,分成8块。他吃了4块后,还剩下几分之几的披萨?

38\frac{3}{8}

14\frac{1}{4}

12\frac{1}{2}

34\frac{3}{4}

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

有100名学生参与一场义跑活动。其中28名学生是到现场报名的,剩余的学生已经提前报名。提前报名的学生占了百分之几?

72100\frac{72}{100}

68100\frac{68}{100}

82100\frac{82}{100}

28100\frac{28}{100}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

明华买了6个苹果,其中2个苹果已经坏了。坏了的苹果占了几分之几?

16\frac{1}{6}

13\frac{1}{3}

12\frac{1}{2}

46\frac{4}{6}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

丽丽在华文测验考获53%,小光的分数比丽丽多20分。小光考获多少分?把答案换成小数。

0.53

0.6

0.73

0.9

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

妈妈买了2个蛋糕。她把每个蛋糕切成8块。弟弟吃了3块蛋糕后,蛋糕还剩下几分之几?

158\frac{15}{8}

816\frac{8}{16}

58\frac{5}{8}

138\frac{13}{8}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

上图显示还没完整涂上颜色的百格图。假如要代表0.7的百格图,还需要把多少个格子涂上颜色?

70

58

28

20

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