PART 1 STRAIT REGIONAL SCHOOL BOARD GRADE 7 ASSESSMENT

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PART 1
STRAIT REGIONAL SCHOOL BOARD
GRADE 7 ASSESSMENT
June, 2009
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2
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NAME _________________________
Teacher _________________________
School _________________________
MULTIPLE CHOICE: Please write the letter of the best possible answer in the space at the left.
( 1 point each)
1. ______ The student council wishes to survey the student body to determine when to hold the
Winter Carnival. Which of the following would be the least biased method?
A) Survey a random sample of 50 students as they arrive in the morning
B) Place the names of all Grade Eights in a hat and draw 50 names to be surveyed
C) Take a vote among the members of the Student Council
D) Survey the front row of fans at a basketball game.
2 ________ 76__84 is a 5-digit number that is divisible by 3 and 9.
What could be the missing digit?
A) 2
B) 3
C) 6
e) 9
3. _______ If a hexagon represents 1 whole, what mixed
number will result from adding the pattern
blocks at the right?
1
1
1
1
A) 2
B) 1
C) 1
D) 2
3
3
6
6
4. _____ Determine the sum of 8 tenths and 6 hundredths
A) 86
B) 48
C) 8.6
D) 0.86
5. _____ Suzanne worked 48 hours this week. She receives $12.80 per hour up to 40 hours and
$19.40 per hour after 40 hours. How much did she make?
A) $667.20
B) $614.40
C) $657.80
D) $764.60
6. _____ Why might the following survey question be insensitive for some students at SAJS:
“ Which is the more comfortable running shoe: Nike or Puma?”
A) These shoes are worn by all students at SAJS.
B) These are expensive brands and some students may not be able to afford them.
C) All members of the basketball team wear these two brands.
D) The Student Council members wear Nike and Puma shoes.
7. _____ If the spinner shown is spun once, what is the probability of
spinning a number less than 3?
A) 0.25
B) 0.5
C) 0.333
D) 0.75
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2
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3
8. _____ A radius is
A) A line segment that is twice as long as the diameter of a circle.
B) A line segment that connects two points on the circumference
C) A diagonal drawn across a circle
D) A line segment connecting the centre of a circle to a point on the circumference
9. _____Which of these equals 64?
A) 43
B) 83
C) 322
D) 28
10. _____Which of these are minimum sufficient conditions for constructing an isosceles triangle?
A) A triangle with two congruent sides.
B) A triangle with one line of symmetry
C) A triangle with two congruent angles
D) All of the above
11. _____ Which statement is always true for a rectangle?
a) Its diagonals intersect at right angles.
b) It has four lines of reflectional symmetry
c) Its opposite sides are parallel
d) It has two right angles
12. _____ Which of these is equal to 1?
A) 1 %
B) 100
C) 0.1  10
D) -4  4
13. _____ Bert put a roast in the oven at 11:32 AM. If the roast requires 2 hours and 45 minutes
to cook, at what time should the roast come out of the oven?
A) 2:15 AM
B) 2:17 PM
C) 1:47 PM
D) 2:02 PM
14. _____ Which of these equals three-eighths ?
6
A) 0.375
B) 37.5%
C)
16
D) All of the previous answers
15. _____ The scores for five Science projects are shown. 8
What is the median score?
3
19
A) 8
B)
C) 8.333…
4
2
D) 8
3
,
4
19
, 8.333…,
2
3
8 ,
5
8.25
3
5
PART B: Please show all of your work for this part of the assessment. Be sure to attempt
all questions because marks will be given for partial answers. ( 3 points each)
16. Tony wanted to make a tessalation around Point A using pattern blocks. He selected two
squares and two triangles to begin.
A) Sketch a beginning for Tony’s tessalation using the blocks he selected.
b) What is the size of the angle that must be filled to complete the tessalation? Tell how you know.
A .
17. Donnie was comparing potatoes from two different farms. He bought 20 two-kilogram bags of
potatoes from each farm and counted the number of potatoes in each of the bags. His results are
shown in the stem and leaf plots below.
Farm A
Farm B
Tens Ones
Tens Ones
0
8 9
0
9 9
1
2 4 4 6 9 9 9
1
1 1 2 3 3 4 5 6 7 7 8 9
2
0 1 1 3 5 6 7
2
0 0 1 1 2 4
3
0 1 2 3
3
a) Which farm has the greater consistency of size? Justify your choice.
b) A restaurant requires larger potatoes for baking. Which farm should they buy from?
Justify your choice.
18. Donna had a wall hanging in the shape of
a circle that is 80 cm in diameter. She took it
to a fabric store and chose a border that
would be sewn around its edge. If the border
she chose costs $2.25 per metre, how much
will it cost without HST?
19. Joel has flat blocks that are 8 cm long and 5 cm
wide. How many of his blocks would be needed to
cover his table which measures 1 metre by 0.4 metre.
Draw a diagram and show all calculations.
20. The graph below shows the height of the water in the sink over time as Genna washes the dishes.
Describe what is happening over each different section of the graph.
E
B
Height
of
Water
C
D
A
F
Time
AB ________________________________________________________________________
BC ________________________________________________________________________
CD________________________________________________________________________
DE ________________________________________________________________________
EF ________________________________________________________________________
FG________________________________________________________________________
21. a)Use Algebra tiles to model the expression: 2x - 4y - 3x + 6 + 5y
Draw your model in the space below.
b) Write the expression in simplest form.
c) Use the simplified form to find the value of the expression if x = -2 and y = 4
PART C: 6 points each. Show all steps here. Points will be given for partial answers.
22. In the diagram shown, AB is parallel to CD. Find the size of Angle x and describe your reasoning.
Letter any other angles you use in your thinking and back up any statements you make with reasons. You
may find the chart below helpful.
Statements
A
Reasons
C
130 o
110 o
B
x
D
23. Joanne solved a mathematics problem using the number sentence below. Write a story problem
that she could have solved. Be sure to end your story problem with a question.
Y = 4 x (-6)  3 – (-5)
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