Probability and statistics

How many girls are in first grade and first A grade?

• 1A = 7 1 = 7

• 1A = 8 1 = 4

• 1A = 3 1 = 5

How many boys are in first grade and first A grade?

• 1A = 5 1 = 6

• 1A = 4 1 = 8

• 1A = 6 1 = 9

How many students are in first grade?

• 15

• 16

• 17

How many students are in first A grade?

• 13

• 11

• 14

How many teachers are in this activity?

• 3

• 2

• 1

Check the picture, how many pigs are there?

• 4

• 3

• 5

How many chickens and roosters altogether?

• 6

• 7

• 8

How many sheeps and roosters are in the picture?

• 8

• 10

• 6