Level 2
Study the pattern. What is the missing number?
1620, 1740, 1860,              , 2100
3 m
Level 3
Dennis saved some money on the first week. Each following week, he managed to save $8 more than the week before. He saved a total of $100 after 4 weeks. How much money did he save on the 3rd week?
4 m
Level 3
Some squares are used to make the following pattern. How many squares are there in Pattern 7?
4 m
Level 3
Study the pattern. How many triangles are there in Pattern 9.
4 m
Level 3
The figure are formed with matchsticks. Study the pattern carefully. How many matchsticks are there in Figure 8?
4 m