Page 20 - Math Course 1 (Book 1)

Whole Numbers And Integers

Skill Practice!
9. | 12 | + | -4 |
Evaluate each expression.
Example:
a. | -4 | b. | 3 | + | 6 |
| -4 | = 4 | 3 | + | 6 | = 3 + 6 | 3 | = 3, | 6 | = 6
= 9 Simplify
A.

1. | 6 | 3. | -12 | 10. | -13 | + | -7 |

2. | 15 | 4. | 21 |

Evaluate each expression if a = 3, b = 0, and c = 0
5. | -10 |

1. | a | - b

B.

6. | 4 | - | 2 |

2. | 25 | - b

7. | -8 | + | -3 |

8. | -10 | - | -6 |
3. 10 - | b |

12