Count to 100 — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. When counting by tens, what number comes right after 30?
A) 40
B) 31
C) 20
D) 50
Counting by tens after 30 gives 40 because each step adds ten to the last number.
2. Which number comes right after 99 when counting by ones?
A) 98
B) 100
C) 90
D) 89
One more than 99 is 100, which is the final number when counting up to a hundred.
3. Which number is between 50 and 60?
A) 49
B) 60
C) 55
D) 70
55 is bigger than 50 and smaller than 60, so it sits between them in order.
4. Which list shows numbers in order from smallest to largest?
A) 50, 30, 80
B) 70, 20, 90
C) 60, 40, 20
D) 10, 40, 60
10, 40, 60 grows each step, so it lists numbers from smallest to largest correctly.
Part B: Fill in the Blank
Write the correct answer on each line.
1. 10, 20, 30, 40, 50
Skip counting by tens after 30 gives 40 because each step adds ten to the last.
2. Counting from 47, the next number is 48
Counting forward by one from 47 gives 48, which comes right after 47.
3. 60, 70, 80, 90
Adding ten to 70 gives 80, which sits before 90 when skip counting by tens.
4. After 99 comes 100
One more than 99 is 100, the last number when counting up to one hundred.
5. 10, 20, 30, 40, 50, 60
Counting by tens after 50 gives 60 because each step adds ten to the last number.