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3rd
grade

Mathematics

60%

accuracy

2K

plays

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4 years

Mathematics

3rd

grade

三年级数学--分数（加法）

user

2K
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10 questions

10 questions

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1. Multiple Choice
30 seconds
1 pt
$\frac{2}{4}+\frac{1}{4}=$
$\frac{3}{8}$
$\frac{1}{2}$
$\frac{3}{4}$
$\frac{1}{4}$
2. Multiple Choice
30 seconds
1 pt
$\frac{2}{5}\ +\ \frac{2}{5}\ =$
$\frac{2}{5}$
$\frac{4}{10}$
$\frac{4}{5}$
3. Multiple Choice
30 seconds
1 pt
$\frac{4}{9}+\frac{5}{9}=?$
1
$\frac{9}{18}$
$\frac{5}{4}$
$\frac{4}{5}$
4. Multiple Choice
30 seconds
1 pt
$\frac{1}{3}$ 与 $\frac{4}{9}$ 的和是多少？
$\frac{5}{9}$
$\frac{2}{3}$
$\frac{7}{9}$
$\frac{8}{9}$
5. Multiple Choice
30 seconds
1 pt
七分之四加七分之一等于多少？
$\frac{5}{7}$
$\frac{1}{2}$
$\frac{3}{7}$
$\frac{5}{14}$
6. Multiple Choice
30 seconds
1 pt
计算两个分数的和，把答案化为最简分数。
$\frac{1}{3}$
$\frac{2}{3}$
$\frac{1}{2}$
$\frac{4}{6}$
7. Multiple Choice
30 seconds
1 pt
$\frac{2}{5}$ + $\frac{1}{2}$ =
$\frac{8}{10}$
$\frac{9}{10}$
$\frac{4}{5}$
$\frac{7}{8}$
8. Multiple Choice
30 seconds
1 pt
$\frac{3}{8}$ + $\frac{1}{4}$ =
$\frac{2}{8}$
$\frac{3}{8}$
$\frac{4}{8}$
$\frac{5}{8}$
9. Multiple Choice
30 seconds
1 pt
$\frac{2}{5}$ + $\frac{1}{3}$ =
$\frac{9}{15}$
$\frac{10}{15}$
$\frac{11}{15}$
$\frac{12}{15}$
10. Multiple Choice
30 seconds
1 pt
静雯喝了 $\frac{8}{10}$ 盒牛奶，她的妹妹喝了 $\frac{1}{5}$ 盒牛奶。她们共喝了几分之几盒牛奶？
$\frac{9}{10}$
$\frac{8}{10}$
1
2
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