Ava gets 15 cents for every aluminium can recycled. She recycles 18 cans. How much money will she get?
A
$2.70
B
$270
C
$18
D
270 cents
Show worked answer
Answer: A. $2.70
Multiply the amount per can by the number of cans: 15 cents × 18 = 270 cents. Convert to dollars by dividing by 100: 270 ÷ 100 = $2.70.
Favourite fruit tally: Apple = 17, Banana = 11, Orange = 13. How many students were asked altogether?
Show worked answer
Answer: 41
Add all the tallies together: 17 + 11 + 13 = 41. You are finding the total number of students surveyed.
A net has 3 rectangles in a strip and two congruent triangles attached to one rectangle. Which solid can it make?
A
cube
B
square pyramid
C
rectangular prism
D
triangular prism
Show worked answer
Answer: D. triangular prism
A triangular prism has two congruent triangular faces (the bases) and three rectangular faces connecting them. The net described shows exactly this: 3 rectangles and 2 congruent triangles.
Ava buys socks for $3.85, a photo frame for $6.75 and a hoodie for $14.20, then pays with $30.00. What change should she receive?
A
$24.80
B
$3.60
C
$5.20
D
$30.00
Show worked answer
Answer: C. $5.20
First, find the total cost: $3.85 + $6.75 + $14.20 = $24.80. Then subtract from the amount paid: $30.00 - $24.80 = $5.20.
The first number in a pattern is 2.15. Each next number is 0.2 less than the previous number. What is the third number?
A
1.95
B
1.75
C
1.55
D
2.55
Show worked answer
Answer: B. 1.75
First number: 2.15. Second number: 2.15 - 0.2 = 1.95. Third number: 1.95 - 0.2 = 1.75.
Bill and Sue each get 1/6 of a bag of apples. What fraction of the bag is left?
Show worked answer
Answer: D. 4/6
Bill gets 1/6 and Sue gets 1/6. Together they get 1/6 + 1/6 = 2/6. The amount left is 1 - 2/6 = 6/6 - 2/6 = 4/6.
