Ratio Q2

There are 12 boys and 13 girls in the school science club. What is the ratio of number of girls to number of boys?

• 13 : 12

• 12 : 13

• 25 : 13

• 13 : 25

What is a ratio?

• A number over another number

• Multiplying two fractions

• Two decimals that are multiplied

• A comparison of two numbers

Which ratio is equivalent to 5 to 4

• 25 to 20
• 10 to 12
• 4 to 5
• 15 to 8

Are these ratios equivalent?

2:3 and 8:12

• Yes

• No

The sign the sign of proportion is:

• : : :

• : :

• <>

• ≠

Every proportion consist of __________

• one term

• two term

• Three term

• four term

The middle terms of every ratio are called________

• Means

• Center term

• Extreme

• Upper terms

The rules uphold in every proportion is:

• Means ≠ Extremes

• Means = Extremes

• Means < Extremes

• Means > Extremes

In compound proportion there exist equality of:

• Two Ratios

• Less than three Ratios

• Three Ratios

• M0re than two Ratios

In proportion to ratios are:

• Equal

• Not equal

• One is less than other

• One is greater than other