Count to 20 — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. Which number is between 11 and 13?
A) 10
B) 14
C) 12
D) 15
12 comes between 11 and 13 because it is 1 more than 11 and 1 less than 13.
2. What comes right before 8?
A) 9
B) 6
C) 7
D) 10
When you count, 7 comes right before 8 because it is 1 less.
3. Count: 3, 4, 5, ___. What comes next?
A) 7
B) 2
C) 8
D) 6
When counting in order, the next number after 5 is 6.
4. Which number is 2 less than 19?
A) 18
B) 20
C) 17
D) 16
Start at 19 and count back 2: 18, 17. So 2 less than 19 is 17.
Part B: Fill in the Blank
Write the correct answer on each line.
1. Start at 6 and count 4 more to reach 10.
Start at 6 and count 4 more to reach 10.
2. The number that is 3 more than 15 is 18.
Start at 15 and count 3 more to reach 18.
3. Count backward: 17, 16, 15, 14.
When counting backward, each number is 1 less than the one before it. The next number is 15.
4. Two numbers before 12 is 10.
Count back 2 from 12: 11, 10. So the answer is 10.
5. Fill in: 1, 2, 3, 4, 5.
When you count in order, each number is 1 more than the one before it. The missing number is 2.