Show:
Mental Math
心理数学
Add/Subtract
加减法
BEDMAS (Order of Operations)
行动命令
Multiply/Divide
乘法和除法
Fractions
分数
100

2+8

10

100

12-8

4
100

2x4+3

11

100

5x9

45

100

Reduce 减少 3/6

1/2

200

26+14

40

200

24+3

27

200

16-2x3

10

200

12÷ 3

4

200

 Name an equivalent fraction for 将等效分数命名为 1/4

2/8, 3/12, 4/16, 5/20, 6/36

300

17-6

11

300

85-14

71

300

20+5x5

45

300

8x7

56

300

Which fraction is greater? 哪个分数更大？3/4 or 7/8

3/4

400

28-19

9

400

91+13

104

400

7x2-5

9

400

48÷ 6

8

400

Is 22/3 greater than, less than, or equal to 27/8? 22/3是否大于、小于或等于27/8?

less than 27/8

500

87+24

111

500

160-58

102

500

6x4+2x2

28

500

24x5

120

500

What is 1/5 as a percent AND decimal? 占百分比和小数的1/5是多少?

20% 0.5