Level 1
What is the missing number on the number line?
1 m
Level 1
In the number line, what is the number indicated by the arrow?
1 m
Level 1
Find the following values without a calculator.
  1. 0.1, 0.2, ____, 0.4
  2. 2.1, ____, 2.4, 2.55
  3. 1.4, 1.8, 2.2, _____
2 m
Level 3
Adam saves $1 in the 1st week and $4 in the 2nd week.
Each week, he saves $3 more than the week before.
  1. How much money does he save in the 5th week?
  2. In which week does he save $22?
4 m
Level 3
There are some lamp posts along a road at equal distances.
The distance between the 1st and the 4th lamp post is 12 m.
What is the distance between the 1st and the 10th lamp post?
4 m