a) Write the ratio of white squares to green squares.

b) What fraction of the squares are white?

c) What percent of the squares are green?

Determine three ratios that are equivalent to 5:9.

Calculate the missing term in each proportion.

Calculate the missing term in each proportion.

Calculate the missing term in each proportion.

Calculate the missing term in each proportion.

The height of a building in a scale drawing is 9 cm. The scale is 1:600. Explain how you would use the scale to find the actual height of the building.

Two large cups of coffee cost $4.00. How much money will Marianne need if she wants to buy nine large cups fo coffee?

Nicole earned $72 in 9 h. At this rate, how much would she earn in 12 h?

The air you breathe is \frac{1}{5} oxygen. What percent of the air is made up of other gases?

Copy and complete the table to express the equivalent forms in each row.

Calculate.

Calculate.

Calculate.

At a baseball game, the stadium is 65% full. If the stadium's capacity is 1800, how many people are at the game?

Braydon buys a new CD and pays 8% sales tax. If the sales tax is $1.20, calculate the price of the CD.

Akeem bought a used video game for $38. Later, he sold it for 40% less than he paid. For how much did Akeem sell the video game?

The ratio of children to adults at an art show is 22:18.

What percent of the crowd are children?

The ratio of children to adults at an art show is 22:18.

What percent of the crowd are adults?

Why is calculating 10% of an amount easier than calculating 17% of the amount?

How is calculating 1% of an amount similar to calculating 10% of the amount?

Why might you calculate 50% of 212 in a different way than you would calculate 42% of 212?

How do you know that each answer is about 5?

1.4\times3.5

How do you know that each answer is about 5?

0.7\times7.34

How do you know that each answer is about 5?

65.2\div12.9

How do you know that each answer is about 5?

2.46\div0.53

How much greater is 27.9\times4.5 than 27.9\div4.5?