Level 3
The number of people who visited the museum triples every week. A total of 1674 people visited the museum on the 3rd week of the month. How many people visited the museum on the first week of the month?
4 m
Level 2
What is the missing number?
         ÷ 4 is equal to 5 x 2.
2 m
Level 2
What is the missing symbol?
24          2 = 36          3
2 m
Level 2
There are           tens in 2000.
2 m
Level 2
For an examination, the chairs in a school hall were arranged in 15 rows with 28 chairs in each row. If these chairs were rearranged into rows of 20, how many rows of chairs would there be?
2 m