Saturday, 26 January 2013


1. Find a word worth 0.60 when A=0.01, B=0.02, C=0.03, etc.
e.g., SMUG = 0.19 + 0.13 + 0.21 + 0.07 = $0.60

2. Look at the dessert portion of the menu below. Three friends, Chris, Ward, and Phillip have decided that they will each buy a dessert and share the cost evenly. What is the least that each will pay if each orders a different dessert? The most?
Peaches 'n' More  Desserts
Apple Pie            Rs. 1.89
Peach Cobbler    Rs. 2.04
Ice Cream           Rs.  0.84
Frozen Yogurt    Rs.0.96
Pecan Pie            Rs. 2.10

 3. What is 12/25 as a decimal?
0.5
0.48
0.4

4. To convert decimals to percentages multiply by 100.
a)      Write 0.35 as a percentage.
Similarly, 0.2 becomes 0.2 × 100% = 20%, and 0.375 becomes 0.375 × 100% = 37.5%.

Write the following decimals as percentages:
a) 0.34
b) 0.005
5. Convert to a decimal, then multiply by 100%
3/8 = 3 ÷ 8 = 0.375
0.375 × 100% = 37.5%, so 3/8 = 37.5%
Write 5/8 as a percentage
 6. To convert from percentages to decimals or fractions, divide by 100.Question
a) Write 67% as a decimal.
b) Write 5% as a fraction.
7. What is 12/25 as a decimal? 
8. What is the value of the expression below, when z = 1?
      8.75 (3.625 z )

a)   2.625
b)   4.125
c)   6.125
d)   6.135
9. Sammy is converting the number of acres of land his grandfather’s farm covers
to the number of square miles it covers. He will multiply the number of acres by
one thousand, five hundred sixty-two millionths. How is this number written in
standard form?

a)  0.001562
b)  0.01562
c)   1,000.000562
d) 1,562
10. Heavy rains caused the water level of a lake to rise eight hundred sixty-four thousandths of a meter. Which number is equivalent to eight hundred sixty-four thousandths?

a)   0.0864
b)   0.864
c)   86,400
d)  864,000

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