Level 2
Some campers decided to pitch their tents in a circle. The tents were evenly spaced out and numbered in order. The 3rd tent was pitched directly opposite the 11th tent. If 4 tents were taken down, how many tents were left?
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Level 2
The boxes represent 5 consecutive whole numbers arranged from the smallest to the largest. 11, 12, 13, 14, 15 is one example of 5 consecutive whole numbers arranged from the smallest to the largest. The sum of A, D and E is 106. Find the value of A.
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Level 2
Write the missing numbers.
(a) _____ , 17, 16, 15, (b) _____
2 m
Level 2
What are the missing numbers in the boxes? Find the values of
  1. A
  2. B
2 m
Level 2
Observe the following pattern and find the missing number.
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