LESSON REVIEW # 7 Yet Another Exam!
Not Again, you don't!
88+76= 128+399= 128+375+820= 295+376+412+899=
DECIMALS:
8.65+10.26+0.39= 0.71+82+5.762= 11.22+0.0023+1.223 =
SUBTRACT:
6.81 – 4.953 =
4.95 – 0.028 =
0.528 – 0.035 =
21348 – 1562 =
DIVIDE:
625 BY 25= 9987 BY 22= 144 BY 1.2= 65439 BY 0.912 =
ADDING AND SUBTRACTING FRACTIONS:
ADD:
1 1/2 + 1/3 =
3/8 + 1/8 =
1 3/8 + 5 1/7 =
10 1/3 + 5 ¼ =
SUBTRACT:
1/2 - 1/3 =
1 3/8 - 1/3 =
10 1/3 - 1 1/8 =
66 ½ - 55 =
22 1/8 - 18 2/5 =
POSITIVE AND NEGATIVE NUMBERS:
ADD:
+ 15+12= -12-12= -15+14=
-12-13+11-3= -12-5-6-2= -62+62-11+13=
SUBTRACT:
(25) - (-25)= (-11) – (-12)= (+12)-(5)=
(0.555)-(-1.23) = (-22.33) – (+31)= (-56.4)-(-262)=
EXPONENTS:
ADD A+A = SUBTRACT
A2 + A3 = 3A2 – A2 =
3A 5 + 2A5 = 4A3 - 2A6 =
MULTIPLY:
102 x 106 X 103 =
( A ) x ( A ) =
(3A2) x (6A2) =
( 10 3) x (102) =
(52) x (62) =
SHOW ALL WORK----------------------------------------
EXPONENTS NAME________________________
REWRITE EXPRESSIONS USING THE POWERS OF TEN
EXAMPLES:
3000= 3.0 x 103
330 = 3.30x102
0.72= 7.2
x 10-1
11852 = 1.1852x104
REWRITE THE FOLLOWING USING THE POWERS OF TEN:
7258 0.00512 82 6 11851 89899999 0.45678
PERCENTAGES:
CHANGE THESE PERCENTAGES TO DECIMALS:
12% 998% 66% 33% 50%
CHANGE THESE DECIMALS TO PERCENTS
0.67 0.578 0.056 0.75 0.10
WHAT IS? 50% OF 46: 66% OF 100: 200% OF 100
SHOW ALL WORK: