: Shortcuts for checking divisibility by 2, 3, 5, 9, and 10.
: Solving word problems related to proportional relationships.
: Basic algebraic transformations to solve for an unknown.
: Factoring numbers into prime components. 2. Ordinary Fractions
: Detailed instruction on adding, subtracting, multiplying, and dividing ordinary fractions. 3. Ratios and Proportions Ratios : Understanding the relationship between two numbers.
For those looking for specific video-based "Express" reviews, popular options include the summary available on YouTube and VK , which condense a year's worth of theory into a single session.
"Ekspress uroki" (Express Lessons) based on the curriculum are condensed educational materials designed for quick review or catch-up. They typically focus on the core transition from arithmetic to more abstract algebraic concepts.
: Using the fundamental property of proportions to solve equations.
