Review math (ratio and mutually exclusive)

Which one will always be empty?

• A

• B

• C

• D

Which one will always be an even number?

• A

• B

• D

Which one will always be an even number?

• A

• B

• D

Which letter is mutually exclusive? (not happen at the same time)

• A

• B

• C

• D

The ratio of red counters to blue counters is 3 : 1

What fraction of the counters are blue?

• ¹/₄

• ³/₄

• ¹/₃

• ³/₁

The ratio of red counters to blue counters is 3 : 1

What fraction of the counters are red?

• ¹/₄

• ³/₄

• ¹/₃

• ³/₁

The ratio of green counters to blue counters is 4 : 5

What fraction of the counters are blue?

• ⁵/₄

• ⁴/₅

• ⁴/₉

• ⁵/₉

The ratio of purple sweets to red sweets is 2 : 5

What fraction of the sweets are purple?

• ⁵/₂

• ²/₅

• ²/₇

• ⁵/₇

What fraction of spinning letter A?

• 1/2

• 1/4

• 3/4

What fraction of spinning letter that is not A?

• 1/2

• 1/4

• 3/4