Multiplication and division rules for square roots (
Taking factors out from under the radical sign (e.g., ) and bringing factors inside.
The 4th control work (KR-4) for 8th-grade algebra by V.I. Zhokhov focuses on . In the Russian curriculum (specifically following the Makarychev textbook), this test typically evaluates your ability to simplify radical expressions, perform operations with roots, and rationalize denominators. Mastering Algebra Test 4: Arithmetic Square Roots (Grade 8) kontrolnaja rabota 4 po algebre zhohov 8 klass
You can find full solutions and answer keys for both variants of KR-4 on sites like Gdz-Putina or Euroki to verify your practice work.
Алгебра 8 Макарычев КР-4 Вариант 4 - Контрольная работа Multiplication and division rules for square roots (
To ace this test, educators from platforms like Infourok and YaClass recommend:
Know the squares of numbers from 1 to 20 by heart. Watch the Signs: Remember that . If the problem says Watch the Signs: Remember that
If you are preparing for in Zhokhov’s didactic materials, you are diving into the world of radicals. This stage of the 8th grade is crucial because these skills are the foundation for solving quadratic equations later in the year. 1. Key Topics to Review