Rounding/ Estimating
Giving Change
Taxes
Discounts and Percents
Unit Rates
100

Round this number to the nearest ten: 63

60

100

Jenny makes a purchase that costs her $5.65. She uses a $10.00 bill. How much change does she get? 

$4.35

100

How do you calculate tax in your calculator? 

Multiply the price by 0.13

100

How do you turn a percent into a decimal? 

Divide by 100 or more the decimal place two spaces to the left

100

12 bottles of water costs $24.00. How much is each bottle? 

$2.00

200

Round to the nearest dollar: $43.52

$44.00

200

If you needed to give $2.25 change, what coins would you give? 

A toonie and a quarter. 

200

How much is the tax on an item that costs $4.60?

$0.60

200

What is 89% as a decimal?

0.89

200

A box of 4 pizza pops costs $5.69. What is the cost for each pizza pop? 

$1.42

300

Round to the nearest thousand: 65489

65000

300

Someone makes a purchase of $7.85. What coins would you give as change if they gave a $10.00 bill? 

A toonie, a dime, and a nickel 

300

How much tax is charged on a purchase of $95.31?

$12.39

300

What is 20% of $41.00?

$8.20

300

What is cheaper per pop: 

A 12 pack of pop that costs $7.99 or an 18 pack of pop that costs $10.50?

The 18 pack of pop is cheaper. 

400

Round to the nearest tenth (dime): $156.79

$156.80

400

Someone pays you $20.00 for a $14.45 purchase. What would you give as change? 

A $5.00 bill, two quarters, and a nickel

400

What is the total with tax on an item that costs $59.99?

$67.79

400

An item is on sale for 15% off. It's original price is $31.60. What is the sale price of the item? 

$26.86 

400

A 6 pack of hamburger buns is $3.99. An 8 pack of hamburger buns is $4.69. Which should we buy if we want the best deal per bun? 

The 8 pack of buns is the best deal. 

500

Round out the penny: $78.27

$78.25

500
You make a purchase for $21.30 with a $50.00 bill. What should the cashier give you as change? 

A $20.00 bill, a $5.00 bill, a toonie, a loonie, two quarters, and a two dimes. 

500

What is the total cost with tax of an item that costs $587.34?

$663.69

500

An item is on sale for 40% off. It's original price is $109.85. What is the total with tax? 

$74.48

500

A 12GB memory card costs $25.99. A 60 GB memory card costs $69.99. Which is the best deal per GB? 

The 60 GB card is the best deal per GB.