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.
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.
Ava earns $2 per job. In one week she does 4 rubbish jobs, 5 dog walks and 3 dishwashing jobs. If she does the same jobs for 3 weeks, how much does she earn altogether?
Show worked answer
Answer: A. $72
Jobs per week: 4 + 5 + 3 = 12 jobs. Money per week: 12 × $2 = $24. For 3 weeks: $24 × 3 = $72.
Continue the pattern: 4, 12, 36, 108, ?
Show worked answer
Answer: 324
Each number is multiplied by 3 to get the next number: 4 × 3 = 12, 12 × 3 = 36, 36 × 3 = 108, 108 × 3 = 324.
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.
