1) Divide numbers into two groups 15, 6, 1/2, 275, 3/8, 7/4, 12, 3895, 9/9 Give the general name to each group of numbers. 2) records on two numbers to each group. 4) make simple tasks in which natural numbers, and tasks in which fractions are used are used. In advance many thanks.

28
1. natural numbers: 15, 6, 275, 12, 3895 of fraction: 1/2, 3/8, 7/4, 9/9 2. 18, 20 13, 23 4. 1) At Masha of 5 balls, at Petya is 13 more. How many balls of 5+13=18 balls at Petya, 18 + 5 = 23 balls of all 2) of Only 18 balls. Petya has 13 all balls. How many balls at Petya 18: 3 = 6 balls at Petya.
97
Answer add