Silica Puzzles

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Books

Browse puzzle books, STEM challenges, and learning collections.

1000 Math Crossword Puzzles for Kids 8-12 cover

1000 Math Crossword Puzzles for Kids 8-12

1000 math crossword puzzles for kids to develop critical thinking and problem-solving skills.

KidsMathsPuzzle BooksAge 5-8
1000 Mathe-Kreuzworträtsel-Challenge für Kinder von 8–12 Jahren cover

1000 Mathe-Kreuzworträtsel-Challenge für Kinder von 8–12 Jahren

1000 lustige Mathe-Kreuzworträtsel für Kinder von 8–12 Jahren – Logikrätsel, Kopfrechnen und Denksport für clevere Kids ohne Bildschirm.

KinderMathematik & LogikDeutschAge Kinder (8–12 Jahre)
500 Large Print Math Crosswords for Seniors cover

500 Large Print Math Crosswords for Seniors

500 large print math crossword puzzles for seniors to stay mentally active.

SeniorsMathsPuzzle BooksAge Seniors
CrossMath – 200 Math Crossword Puzzles for Adults cover

CrossMath – 200 Math Crossword Puzzles for Adults

Progressive arithmetic logic grids for daily practice.

AdultsMathsPuzzle BooksAge Adults
CrossMath – 200 Mathe Kreuzworträtsel für Erwachsene cover

CrossMath – 200 Mathe Kreuzworträtsel für Erwachsene

200 Mathe-Kreuzworträtsel für Erwachsene – Denksport mit Addition, Subtraktion, Multiplikation und Division für tägliches Gehirnjogging.

ErwachseneMathematik & LogikDeutschAge Erwachsene
CrossMath Focused Vol. 1: Addition Puzzles for Kids cover

CrossMath Focused Vol. 1: Addition Puzzles for Kids

200 addition math crossword puzzles for kids ages 7-11 to build number fluency and problem-solving skills.

KidsMathematicsPuzzle BooksEducational WorkbooksAge 7-11
CrossMath Focused Vol. 10: Multiplication & Division Puzzles for Kids cover

CrossMath Focused Vol. 10: Multiplication & Division Puzzles for Kids

200 multiplication and division math crossword puzzles for kids to understand operation relationships and master advanced skills.

KidsMathematicsPuzzle BooksEducational WorkbooksAge 8-12
CrossMath Focused Vol. 2: Subtraction Puzzles for Kids cover

CrossMath Focused Vol. 2: Subtraction Puzzles for Kids

200 subtraction math crossword puzzles for kids to build number sense and computational fluency.

KidsMathematicsPuzzle BooksEducational WorkbooksAge 7-11
CrossMath Focused Vol. 3: Multiplication Puzzles for Kids cover

CrossMath Focused Vol. 3: Multiplication Puzzles for Kids

200 multiplication math crossword puzzles for kids to master times tables through interactive puzzle solving.

KidsMathematicsPuzzle BooksEducational WorkbooksAge 8-11
CrossMath Focused Vol. 4: Division Puzzles for Kids cover

CrossMath Focused Vol. 4: Division Puzzles for Kids

200 division math crossword puzzles for kids to build confidence with remainders and division facts.

KidsMathematicsPuzzle BooksEducational WorkbooksAge 7-11
CrossMath Focused Vol. 5: Addition & Subtraction Mix Puzzles for Kids cover

CrossMath Focused Vol. 5: Addition & Subtraction Mix Puzzles for Kids

200 addition and subtraction math crossword puzzles for kids to build flexible mental math skills.

KidsMathematicsPuzzle BooksEducational WorkbooksAge 7-11
CrossMath Focused Vol. 6: Addition & Multiplication Mix Puzzles for Kids cover

CrossMath Focused Vol. 6: Addition & Multiplication Mix Puzzles for Kids

200 addition and multiplication math crossword puzzles for kids to build operational flexibility.

KidsMathematicsPuzzle BooksEducational WorkbooksAge 8-12
CrossMath Focused Vol. 7: Addition & Division Mix Puzzles for Kids cover

CrossMath Focused Vol. 7: Addition & Division Mix Puzzles for Kids

200 addition and division math crossword puzzles for kids to understand operation relationships.

KidsMathematicsPuzzle BooksEducational WorkbooksAge 8-12
CrossMath Focused Vol. 8: Subtraction & Multiplication Mix Puzzles for Kids cover

CrossMath Focused Vol. 8: Subtraction & Multiplication Mix Puzzles for Kids

200 subtraction and multiplication math crossword puzzles for kids to build complex problem-solving skills.

KidsMathematicsPuzzle BooksEducational WorkbooksAge 8-12
CrossMath Focused Vol. 9: Subtraction & Division Mix Puzzles for Kids cover

CrossMath Focused Vol. 9: Subtraction & Division Mix Puzzles for Kids

200 subtraction and division math crossword puzzles for kids to master advanced operation combinations.

KidsMathematicsPuzzle BooksEducational WorkbooksAge 8-12
Travel Sudoku Puzzle Journal: 16×16 Alphabet Edition cover

Travel Sudoku Puzzle Journal: 16×16 Alphabet Edition

50 medium-to-hard 16×16 alphabet Sudoku puzzles with journaling space for travel memories and reflections.

TravelAdultsSudokuPuzzle BooksAge Adults
Travel Sudoku Puzzle Journal: 9×9 Edition cover

Travel Sudoku Puzzle Journal: 9×9 Edition

50 travel-friendly Sudoku puzzles with journaling space for memories and reflections.

TravelAdultsSudokuPuzzle BooksAge Adults
Travel Sudoku Puzzle Journal: Arrow Edition cover

Travel Sudoku Puzzle Journal: Arrow Edition

50 medium-to-hard Arrow Sudoku puzzles with journaling space for travel memories and reflections.

TravelSudokuPuzzle BooksAge Adults
Travel Sudoku Puzzle Journal: Jigsaw Edition cover

Travel Sudoku Puzzle Journal: Jigsaw Edition

50 medium-to-hard Jigsaw Sudoku puzzles with journaling space for travel memories and reflections.

TravelSudokuPuzzle BooksAge Adults