Percentage

Percentage

Chapter 5 (page 67)

Percentage and Fractions

Tom ate 1/5 of a bar of chocolate.

Multiple Choice

What percentage of the chocolate did Tom eat?

• 20%

• 15%

• 20

• 15

Tom ate 20% of the chocolate.

We can also find the answer in these two other ways.

Multiple Choice

Try This!

Convert 3/5 into percentage.

• 60%

• 15%

• 16.7%

• 600%

Multiple Choice

Try This!

Convert 16/25 into percentage.

• 64%

• 54%

• 74%

• 33%

Multiple Choice

Try This!

Convert 81/300 into percentage.

• 27%

• 270%

• 2.7%

• 0.27%

Let us now look at how we can convert a fraction which has a denominator that is not a factor of 100 into a percentage.

Rita gave Min 3/8 of her apple pie.

Multiple Choice

What percentage of the apple pie did Rita give away?

• 37.5%

• 37.4%

• 34%

• 37%

Rita gave away 37.5% of her apple pie.

We can also find the percentage of the apple pie Rita gave away in this way.

Multiple Choice

Try This!

Convert 1/8 into percentage.

• 12.5%

• 12%

• 14.5%

• 14%

Multiple Choice

Try This!

Convert 3/40 into percentage.

• 7.5%

• 75%

• 0.75%

• 750%

Multiple Choice

Try This!

Convert 7/125 into percentage.

• 5.6%

• 5.5%

• 5.7%

• 5.8%

Min ate 1/3 of her lasagna for lunch.

Multiple Choice

What percentage of the lasagna did she eat?

• 33.3%

• 33.1%

• 35%

• 32%

Fill in the Blank

Use a calculator for this item.

Alison used 2/7 of her pocket money to buy a book. What percentage of her pocket money did she use? Round the answer to 1 decimal place.

Fill in the Blank

Use a calculator for this item.

A sea turtle lays 220 eggs. 105 of the eggs do not hatch. What percentage of the eggs do not hatch? Round the answer to 1 decimal place.

On Your Own Page 71

Answer the following questions correctly.

This is recorded.

Fill in the Blank

1.) What percentage of the figure is shaded?

Fill in the Blank

2.) Convert these fractions into percentage.

a.) 3/4 = ____

Fill in the Blank

2.) Convert these fractions into percentage.

b.) 14/25 = ____

Fill in the Blank

2.) Convert these fractions into percentage.

c.) 46/200 = ____

Fill in the Blank

3.) Convert these fractions into percentage.

a.) 7/8 = ____

Fill in the Blank

3.) Convert these fractions into percentage.

b.) 31/40 = ____

Fill in the Blank

3.) Convert these fractions into percentage.

c.) 35/250 = ____

Fill in the Blank

Use a calculator for this item.

4.) Convert these fractions into percentage. Round your answers to 1 decimal place.

a.) 5/6 = ____

Fill in the Blank

Use a calculator for this item.

4.) Convert these fractions into percentage. Round your answers to 1 decimal place.

b.) 8/45 = ____

Fill in the Blank

Use a calculator for this item.

4.) Convert these fractions into percentage. Round your answers to 1 decimal place.

c.) 176/330 = ____

Multiple Choice

5.) Mrs Brown baked a blueberry pie. She gave 1/5 of the pie to her sister and another 1/5 to her neighbor. What percentage of the blueberry pie was left?

• 60%

• 40%

Multiple Choice

Use a calculator for this item.

6.) Rita had 380 ml of water in her jug. She drank 140 ml of the water. What percentage of water was left in the jug? Round your answers to 2 decimal places.

• 63.16%

• 63.15%