2. (+45) + (+23) = _____
3. (+67) + (-56) = _____
4. (-25) + (+17) = _____
5. (+73) + (-29) = _____
B. Subtract the following integers.
1. (+85) - (+12) = _____
2. (+97) - (-56) = ______
3. (-871) - (+170) = _____
4. (+21) - (-11) = _____
5. (+798) - ( -89) = _____
C. Multiply the following integers.
1. (+11) x (-9) = _____
2. (-14) x (-74) = _____
3. (+64) x (-38) = ____
4. (-74) x (-67) = _____
5. (44) x (-75) = _____
D. Divide the following integers.
1. (-56) ÷ (-8) = _____
2. (+90) ÷ (10) = _____
3. (140) ÷ (14) = _____
4. (+124) ÷ (+4) = _____
5. (-1000) ÷ (-20) = _____