Across
- 3. to add, to subtract, to multiply, to divide
- 4. reducing it to the fewest terms necessary
- 5. to find the value of an expression by working it out.
- 7. a decimal whose digits end
- 9. a number that can be expressed as a ratio of two integers
Down
- 1. all natural numbers and their opposites and zero
- 2. a decimal whose digits repeat in groups of one or more
- 6. a mathematical expression that has a combination of numbers and at least one operation
- 8. a mathematical sentence that contains an equal sign