Across
- 1. Rearranging numbers, like changing 10 ones into 1 ten
- 4. To split numbers into simpler parts
- 5. One of the places in the place value system
- 6. One of the places in the place value system
- 7. A number added to another number to form a sum
- 10. To unite different numbers into a single total
- 11. A line on which numbers can be placed in order
- 12. A rectangular model used to show relationships between numbers
- 14. The amount by which a number increases
- 16. A rise in the value or amount of something
- 17. The total you get by adding two or more numbers
- 18. Any numeric symbol used to represent numbers
- 19. One of the places in the place value system
Down
- 2. A way to write a number to show the value of each digit
- 3. An equation using numbers and symbols to show a relationship
- 5. The final amount after adding all parts together
- 8. One of the places in the place value system
- 9. The value of a digit based on its place in the number
- 13. The process of combining numbers to get a total
- 15. A mathematical statement showing equality between expressions