INTEGERS LEVEL 1 Category 1 - Set A 1. What number is 5 units to the right of zero on the number line? Answer: 2. What is negative three in symbols? Answer: 3. What number is 7 units to the left of zero on the number line? Answer 4. What is positive nine in symbols? Answer: 5. What number is 10 units to the left of zero on the number line? Answer: