Counting by 2's, 5's, 10's to 100
Numbers and Counting, and more...
 
1. HARD

Peter and Lea are having a counting race. Peter starts at 100 and counts down by 10 until 0. Lea starts at 0 and counts up by 10 until she reaches 100. If they both count at the same speed, who will win the race?

  1. Peter
  2. Lea
  3. They would tie
  4. Neither would finish the race
  5. None of the above
 
2. HARD

Vinit is counting by 5's. If he starts at 20 and counts to 50, how many numbers does he say?

  1. 30
  2. 31
  3. 7
  4. 6
  5. None of the above
 
3. HARD

When you count by 2's from 2 to 100, how many numbers will you count in total?

  1. 100
  2. 50
  3. 25
  4. 51
  5. 49
 
4. HARD

Perplexed Pat is trying to count by 2's starting from 2. He says the following: "2, 12, 22, 32....". What is wrong with his counting?