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Across 1. The result of the subtraction of one number from another number. 4. All the numbers that do not use fractions or decimals. 6. A mathematical operation where the difference between two numbers is calculated and shown by the symbol (-). 8. The process of putting together two or more numbers to get one sum, represented by the symbol +. 10. Going downward 11. The bottom number of a fraction. 15. The top number of a fraction. 16. Shrinking

Down 2. Understanding 3. Going upward 5. A number that is part of a whole and is based on 10 equal parts. 6. The amount you get as a result of adding numbers. 7. Growing bigger 9. A system of writing numbers where the position of a digit affects its value. (i.e. 1, 10, 100 etc.) 12. Equal parts of a whole that is written with a numerator over a denominator. 13. A rectangular arrangement of quantities in rows and columns. 14. A predictable sequence that follows a rule