Based on standard 5th-grade curricula (Vilenkin and others), these are the most frequent crossword answers: Result of addition. Product: Result of multiplication.
If you are looking for solutions or specific crossword clues from the Vilenkin, Zhohov, Chesnokov, and Shvartsburd curriculum, you can find them through these platforms: reshebnik po matematike 5 klass vilenkin 2017 krasvord
Terms like "Sum," "Product," "Quotient," and "Remainder". Common 5th Grade Math Terms Found in Puzzles Based on standard 5th-grade curricula (Vilenkin and others),
Sites like Resh Skysmart provide step-by-step solutions for the Vilenkin 5th-grade textbook, including theoretical questions and "Checking Yourself" sections that often feature these puzzles. and Shvartsburd curriculum
Crosswords in this textbook typically focus on 5th-grade math terminology such as: Natural Numbers: "The numbers used for counting objects".