Rounding and Estimating
Your rounding number is 6. Do you round up or down?
UP
If you have the following, how much money do you have?
1 Toonie
2 Loonies
0 Quarters
3 Dimes
4 Nickels
$4.50
What is 74% as a decimal?
0.74
What unit should you use to measure the classroom?
feet or meters
How do you find the perimeter of a rectangle?
add all the sides
Round to the nearest WHOLE NUMBER: 13.24
13
If you paid $4.25 and you give the cashier a $5 bill, how much change will you get back?
75 cents
What is the fraction as a percent?
4/5
80%
How many inches are in one foot?
12 inches = 1 foot
A rectangular fence has a length of 8m and a width of 5m. What is the Perimeter of the fence?
26m
Round your answer to the nearest HUNDRETH = 3.458
3.46
Your grocery store bill is $6.75. What coins and bills do you give the cashier?
One 5 Dollar bill
One Loonie
Three Quarters
If I am getting a 30% discount on a laptop that costs $1900, how much money am I SAVING?
$608
How many centimeters are in 1 meter?
1000
A rectangle has side lengths of 5m and 10m. What is its area?
Roun to the nearest NICKEL = $6.28
$6.30
Who has more money?
Mr. Smith has Three 10 dollar bills, Two 5 dollar bills, One quarter and Two Dimes.
Mr. White has Two 10 dollar bills, Three 5 dollar bills, Three Toonies and Two Quarters.
Mr. Smith has $40.45.
Mr. White has $41.50.
Mr. White has more money.
What is the final cost of a lamp that sells for $13.00 at 13% tax?
$14.69
What are grams used to measure?
Mass (how heavy something is)
A triangle has a base of 9cm and a height of 4cm. What is its AREA?
Area = 18cm2
You buy a sweater that costs $23.74 after tax cost.
Round to the nearest dollar.
$24.00
What is a better price per donut?
$1.49 for 6 donuts OR $2.79 for 12 donuts
$2.79 for a dozen (12 donuts)
How much does a lamp cost that is $45.00 with a 20% discount? (no tax)
$36.00
Convert 45cm to mm
45 cm = 450 mm
A circle has a diameter of 12cm. What is its circumference?
37.68 cm