1.  What is an opposite? How do you find an opposite?  What is absolute value? How do you find it?  Opposite: -13Absolute Value: 13

2.  A number that can be expressed as a fraction.

3.  A number that cannot be expressed by a fraction.  It is a decimal that repeats or does not end.

7.  Any number that starts with 1.8 or 1.9 will work.  How many possible answers are there?  An infinite amount.

8.  The square root of 28 is between 5 and 6 since the square root of 25 is 5 and the square root of 36 is 6. Since 28 is closer to 25 than 36 a good estimate would be between 5.1 and 5.4.

10.  Same sign add and keep  Different sign subtract  Keep the sign of the higher number  Then you’ll be exact

12.  Parenthesis, Exponents, Multiply, Divide (Repeat)  Now Add, Subtract from left to right to right  The Order of Operations

16.  An airplane is flying at 5000 ft above sea level and a submarine is cruising 150ft below sea level.  +5000 and -150

17.  What is the current balance of his account?  Is he successfully saving money? $310 Yes, his balance is increasing

18.  Commutative Property of Addition  Commutative Property of Multiplication  Associative Property of Addition  Associative Property of Multiplication  Additive Inverse Property  Multiplicative Inverse Property  Identity Property of Multiplication  Distributive Property

19. / Commutative Property of Addition / Commutative Property of Multiplication / Associative Property of Addition / Associative Property of Multiplication / Additive Inverse Property / Multiplicative Inverse Property / Identity Property of Multiplication / Distributive Property / Commutative Property of Addition / Commutative Property of Multiplication / Associative Property of Addition / Associative Property of Multiplication / Additive Inverse Property / Multiplicative Inverse Property / Identity Property of Multiplication / Distributive Property Which property is being illustrated? 10+12=12+10

20.  Commutative Property of Addition  Commutative Property of Multiplication  Associative Property of Addition  Associative Property of Multiplication  Additive Inverse Property  Multiplicative Inverse Property  Identity Property of Multiplication  Distributive Property

21.  Commutative Property of Addition  Commutative Property of Multiplication  Associative Property of Addition  Associative Property of Multiplication  Additive Inverse Property  Multiplicative Inverse Property  Identity Property of Multiplication  Distributive Property

22.  -3(4-5)+6  =-12-15+6  =-27+6  =-21 -12+15+6 since -3 times -5 is positive 15. Remember that the negative 3 gets distributed to both terms inside the ().

23. $42 6(3+4) =18+24=$42