Book of activities based on the training field Knowledge and Scientific Thinking Phase 3 Second year of primary school. The exercises were designed in progressive order from easy to complex and challenging so that students can develop all the skills of the degree.

Syllabus:

• · Numbers, positional value and developed notation.
• · Math problems.
• · Addition, subtraction, multiplication and distribution.
• ·  Multiplication tables.
• · The clock, the days of the week and the calendar.
• · Arbitrary units of measurement.
• · Bodies and geometric figures.
• · Common fractions.
• Color interior.
• Letter size.