Level 1
What is the length of the arrow as shown in the figure?
1 m
Level 2
9 lamp posts are planted along a road at equal distances.
The distance between the 2nd and the 4th lamp post is 17.9 m.
What is the distance between the 1st and the last lamp post?
4 m
Level 1
Find the following values without a calculator.
  1. 57, 58, ___
  2. 64, ___, 84
  3. 508, 608, ___
1 m
Level 1
Find the following values without a calculator.
  1. 59, 58, ___
  2. 84, ___, 64
  3. 508, 408, ___
1 m
Level 3
Adam has 30 stickers.
He increases the number of stickers by 10 every day.
How many days will it take to have 70 stickers?
4 m
Level 2
Alexander measures his height using a tape measure, as shown . Seven years ago, he was 1.38 m. How much has he grown in seven years? Express your answer in m.
2 m
Level 3
Adam has 70 stickers.
He gives away 10 every day.
He has 30 stickers left.
How many days has he used to give away the stickers?
4 m
Level 2
The figure shows the mass of 3 objects, A, B and C. C has a mass of 2.3 kg. The ratio of the mass of A to the mass of B is 4 : 1. What is the mass of B? Express your answer in kg.
2 m
Level 2
What are the missing numbers?
1222, (a)           , 1242, 1252, (b)           , 1272
2 m
Level 2
Complete the number pattern.
5314,            ,5414, 5464, 5514,                
2 m