Write 3 x 107 + 1 x 106 + 9 x 105 + 6 x 104 + 4 x 103 + 4 x 102 + 3 x 101 + 4 in standard form?
What is 31 964 434?
100
Write the fractions below as a decimal and percent.
21/20 and 3/100
What is
21/20 = 1.05 = 105%
3/100 = 0.03 = 3% ?
100
Write the pair of quantities as a unit rate:
225 heartbeats in 3 minutes
What is
75 heartbeats/min. ?
100
What is 25% of 825?
What is 206.25 ?
100
The price of a snowsuit reduced by $28.38. This is a discount of 33%. What is the regular price of the snowsuit?
What is the $86 ?
200
Norman Wells, Northwest Territories, is the 4th largest producing oil field in Canada. Its estimated reserves are 140 million barrels of oil. Write this number in scientific notation.
What is 1.4 x 10 8?
200
Write each percent below as a decimal and fraction:
34% 2%
What is
34% = 34/100 (17/50) = 0.34
2% = 2/100 (1/50) = 0.02 ?
200
Write the pair of quantities as a unit rate:
$78.00 for 8 h work
What is
$9.75/hr ?
200
25% of a number is 15. What is the number?
What is 60 ?
200
The price of a snowsuit reduced by $28.38. This is a discount of 33%. What is the sale price of the snowsuit, including taxes?
What is $65.11 ?
300
Write the sum of these provinces and territories' population:
- Ontario (1867) 12 392 700
- British Columbia (1871) 4 196 400
- Quebec (1867) 7 542 800
in scientific notation.
What is 2 x 107 + 4 x 106 + 1 x 105 + 3 x 104 + 1 x 103 + 9 x 102?
300
Write each decimal as a percent and as a fraction:
0.15 1.15
What is
0.15 = 15% = 15/100 (3/20)
1.15 = 115% = 1 15/100 (1 3/20) ?
300
Hisan can type 86 words in 2 minutes. At this rate, how many words can Hisan type in 12.5 minutes?
What is
537.5 words in 12.5 minutes?
300
Write the decrease as a percent.
The price of gasoline decreased from 79.9 cents/L to 75.9 cents/L
What is 5% ?
300
Joe borrowed $7500 from his mother to buy a car. His mother charged Joe 3.5% interest each year for 2 years. Joe will pay back the money in equal monthly payments over 2 years.
a) What interest does Joe pay?
What is 262.50 x 2 = $525.00 ?
400
Which numbers are in scientific notation?
66.8 x 105
73 x 107
4.163 x 104
2 x 108
What is 4.163 x 104 and 2 x 108?
Scientific Notation is the product of two factors, one factor being greater than 1 and less than 10 and the other factor is a power of 10.
400
What is 250% as a decimal and a fraction?
What is
250% = 2.50 = 2 50/100 (2 1/2) ?
400
Which is a better buy?
6.2 L of gas for $5.39 OR 8.5 L of gas for $7.31
What is
8.5 L of gas for $7.31 ? $0.86/L
400
Write the increase as a percent.
The price of a house increased from $210 000 to $225 000.
What is 7% increase ?
400
Joe borrowed $7500 from his mother to buy a car. His mother charged Joe 3.5% interest each year for 2 years. Joe will pay back the money in equal monthly payments over 2 years.
What is each monthly payment?
What is 7500 + 525 = $8025 / 24 = $334.38 ?
500
Order the numbers from least to greatest.
2.435 x 106 , 2435987 , 2.4 x 106 , 2 435 102
What is 2.4 x 106, 2.435 x 106, 2 435 102, 2 435 987?
500
Write 3 different ways to describe 1 whole.
What is (answers will vary)
100%, 1 , 13/13, etc. ?
500
Jose travelled 480 km in 6 hours.
a) Find his average speed.
b) At this average speed, how long will it take Jose to travel 700 km?
What is
a) 480/6 = 80 km/hr
b) 700 / 80 = 8.75 hours ?
500
The volume of the gas in a container was 1500 cm3. The gas was heated until its volume was 20% greater. What was the new volume of the gas?
What is 1800 cm3 ?
500
During a 20% off sale, the sale price of a radio was $35.96. What was the regular price of the radio?