Mathematics. Learning to Solve Examples and Problems. Counting Within 20

How to develop mathematical skills and abilities while studying easily and with pleasure? You will find the answer in the author's manual "Mathematics. Learning to Solve Examples and Problems. Counting Within 20". By studying daily for 10-15 minutes a day,... a child will learn ordinal and cardinal counting from 1 to 20, to solve simple equations, get acquainted with different types of problems, and begin to develop logical thinking. The manual contains more than 200 tasks, arranged from simple to complex. The tasks are divided into two large blocks: the first includes thematic sections "Counting Within 10", "Equations Within 10", "Problems Within 10"; the second includes "Counting Within 20", "Equations Within 20", "Problems Within 20". Also, before some sections, there are "Helpful Pages" on the composition of numbers and a table of addition.