Show:
calculate a percentage of a given amount, using mental/written strategies or technology when appropriate
Round up or round down answers to the accuracy required, including to the required number of decimal places.
convert between fractions, decimals, and percentages, using a calculator when appropriate
apply percentage increases and decreases in situations, for example, mark-ups and discounts and GST
use a calculator appropriately and efficiently for multi-step
100

What is 30% of 150?

45

100

Round 3.14159 to two decimal places.

3.14

100

 Convert the fraction 3/5 to a decimal and a percentage.

0.6

60%

100

A store marks up the price of a shirt by 25%. If the original cost of the shirt was $30, what is the selling price?

$37.50.

100

A car travels 250 km in 3 hours 15 minutes. Calculate its average speed in km/h. (Speed = Distance / Time)

  • Answer: First convert 3 hours 15 minutes to hours: 3 + 15/60 = 3.25 hours. Then, 250 km / 3.25 hours ≈ 76.92 km/h
200

find 15% of 80.

12

200

Round 78.655 to one decimal place.

78.7

200

 Convert the decimal 0.75 to a fraction and a percentage.

3/4

75%

200

A pair of shoes is on sale for 15% off. If the original price was $80, what is the discounted price?

  • Calculation: Discount amount = 15/100 * $80 = $12
  • Discounted Price: Original price - Discount = $80 - $12 = $68
  • Therefore, the discounted price of the shoes is $68.
300

What is 75% of 240?

180

300

Round 0.0048 to three decimal places

0.005

300

Convert the percentage 40% to a decimal and a fraction

0.4 decimal

2/3 fraction

300

A company increases its workforce by 12%. If the original workforce was 500 employees, how many new employees were hired?

12/100 * 500 = 60

400

Calculate 2.5% of 6000.

150 

400

A calculation yields the result 1234.56789. Round this to the nearest whole number.

1235

400

Convert the fraction 11/20 to a decimal and a percentage. Use a calculator if needed.

0.55

55%

400

A restaurant bill comes to $55. If the GST (Goods and Services Tax) is 10%, how much is the GST amount?

10/100 * $55 = $5.50

500

 A store offers a 20% discount on a $125 item. What is the discount amount?

25

500

Round 0.000499 to three decimal places.

0.000

500

Convert the recurring decimal 0.333... (which represents 1/3) to a fraction and a percentage (round the percentage to one decimal place).




Convert the recurring decimal 0.333... (which represents 1/3) to a fra

  • Answer:
    • Fraction: The recurring decimal 0.333... is equivalent to the fraction 1/3.
    • Percentage: (1/3) * 100 ≈ 33.3% (Rounded to one decimal place)


500

 A house increases in value by 15% over three years. If its initial value was $200,000, what is its value after three years?

$200,000 + $30,000 = $230,000.