Bk6A Unit5-9 Test2 Revision

Match the following

• 3.4%

• 3.4

• 34%

Which of the following numbers has a value smaller than 0.5?

• 55%

• 15%

The average mark of the four subjects of a student in an exam is 85. He got 72 marks in Chinese, 88 marks in Science, 90 marks in English. What is the marks in Mathematics of this student?

(Form Expression only)

Mathematical Equivalence

ON

Jean loves to go bird watching. One day, she saw 8 birds. The next day, she saw 19 birds. The next day, she saw no birds. What is the average number of birds Jean saw each day?

Ans: ___ birds

The average of a group of numbers could be smaller than the smallest number among them.

• True

• False

Organize these options into the right categories

Groups:

(a) More than 60% coloured

,

(b) Less than 40% coloured

,

(c) Others

• 
• 
• 
• 
• 
• 
• 

Mathematical Equivalence

ON

There are 80 plastic containers in the storeroom. What percentage of all the containers is the number of yellow or blue container?

Ans: ___%