AY Honors/Math Skills I/Answer Key

Math Skills I

Skill Level

1

Year

2012

Version

24.03.2025

Approval authority

South American Division

1

Know the decimal system.

2

Know how to identify and classify the algorithms of the decimal system and represent the position of each.

3

Classify and identify the four basic operations, representing each algorithm by using four examples.

4

Show four practical examples in which the four basic operations are used and solve.

5

Investigate and present with a design or in writing the possible origin of the signs of square root, division, addition and subtraction.

6

Demonstrate in practice the solution of at least three examples of exponentiation and three examples of numerical expression, using the signs of parentheses, brackets and braces.

7

Present and solve three practical examples of situations involving fractions in addition, subtraction, multiplication and division operations. Remember that LCM is used for addition and subtraction operations.

8

Present and demonstrate the solution of three problems that involve percentage calculations for purchase and sale of products, obtaining discounts.

9

Present and demonstrate the solution of four operation examples with decimal numbers in addition, subtraction, multiplication and division, using the practical method to solve.

10

Present with a poster or multimedia five examples of flat figures and five examples of solid figures showing their characteristics, and next to it what type of day-to-day object uses that shape.

References