Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Which numbers are rational numbers? a. |  and 3.6 | c. | All of them | b. |  and  | d. |  , 3.6, and  |
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2.
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Identify equal rational numbers in this list:
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3.
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Determine this sum. 
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4.
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Determine this sum. 
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5.
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Which expression has the same answer as  ?
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6.
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Which expressions have the same answer as  ? i)  ii) 7.8
+ 12.3 iii)  iv)  a. | i and iii | b. | ii and iv | c. | ii and iii | d. | iii and
iv |
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7.
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Determine this product.  
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8.
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A submersible descends at an average rate of 7.1 m/min.
Express the depth
below the surface after 4.6 min as a rational number.
a. | -32.66 m | b. | -11.7
m | c. | +32.66 m | d. | 11.7 m |
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9.
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Which expressions have the same answer as  ? a. | ii and iv | b. | i and iii | c. | ii and iii | d. | i and
iv |
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10.
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Determine this quotient.  ¸ 
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11.
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Evaluate. 
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12.
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Evaluate.  a. | -3.34 | b. | -1.24 | c. | -2.44 | d. | 3.34 |
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13.
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Determine the value of  . a. | 0.225 | b. | 0.15 | c. | 0.015 | d. | 2.25 |
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14.
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Which numbers are perfect squares? i) 20.25
ii)
32
iii) 16.9
iv)
3.24 a. | i and ii | b. | i and iii | c. | i and iv | d. | ii and
iii |
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15.
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Name the two whole numbers whose squares are closest to 22.5.
a. | 9, 25 | b. | 4, 5 | c. | 4, 9 | d. | 16, 25 |
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16.
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A square has an area of 27.8 cm2.
Determine the side length of
the square, to the nearest millimetre.
a. | 5 cm | b. | 5.2 cm | c. | 5.27 cm | d. | 5.3
cm |
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Short Answer
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17.
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Insert <, >, or = to make each expression true. a) 2065 mm  20.65
cm b) 3334 m  33.34
km c) 1447 cm  14.47 m
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18.
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Order these numbers from greatest to least. - , 1.2, - ,  , -1.4
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19.
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Determine this sum. 
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20.
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Estimate whether this sum is greater than or less than 0. 
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21.
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Which expressions have negative answers? Determine these negative
answers.
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22.
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Evaluate this expression.
–6.7 – 16.59 + 12.26
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23.
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Determine this product.  ´ 
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24.
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Which products are less than 0?
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25.
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Determine this quotient.  ¸ 
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26.
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Which quotients are less than 0? i) - ¸  ii)  ¸ ( - )
iii) - ¸ ( - )
iv)  ¸ ( - )
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27.
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28.
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Evaluate. Give your answer to the nearest hundredth. 
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29.
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Calculate the number whose square root is  .
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30.
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A square garden has an area of 240.25 m 2. a) Determine the length of one side of the
garden.
b) Determine the perimeter of the garden.
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31.
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To estimate the value of  , determine the two whole number perfect
squares closest to  and their square roots.
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32.
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Determine the length of the hypotenuse, h. 
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Problem
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33.
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Use the numbers in the box below. a) List the numbers that are greater than
-1.6. b) List the numbers that are less
than 2.3. 
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34.
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This table shows the money earned and spent by Kelsie in the first month of
operating her home based computer business. Item | Income | Expenditure | New computer | | $760 | Additional software | | $65 | Contract No. 1 | $490 | | Contract No.
2 | $390 | | Miscellaneous expenses | | $260 | | | |
a) Write an addition statement to show
Kelsie’s income and expenditure.
b) Did Kelsie make a profit
in her business?
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35.
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Insert <, >, or = to make this statement true. Explain your
thinking. 
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36.
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a) Predict the sign
of  . Explain your reasoning. b) Calculate the product. Show
your work.
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37.
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At a desert resort, the temperature at 7 a.m. was 5°C.
The temperature increased by an average of 3.6°C each hour until it reached 32°C.
How
long did it take to reach this temperature?
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38.
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The formula for the surface area of a right rectangular prism is given by  ,
where a is its length, b is its width, and c is its height. Determine the
surface area of this prism. 
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39.
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Find 3 perfect squares that are greater than 0.07 but less than 0.27.
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40.
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Determine the length of the diagonal AC of rectangle ABCD, to the nearest
millimetre. 
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