Skip Counting — Answer Key
Part A: Multiple Choice
Circle the best answer for each question.
1. Are all the numbers you say when counting by 2s from 0 even or odd?
A) All odd
B) All even
C) Some even and some odd
D) Neither even nor odd
When you count by 2s from 0, you get 0, 2, 4, 6, 8, 10, and so on. All of these numbers are even.
2. If you count by 5s starting from 0, how many jumps does it take to reach 45?
A) 7
B) 8
C) 9
D) 10
Counting by 5s from 0: each jump adds 5. To reach 45, you need 45 divided by 5 = 9 jumps.
3. Counting by 10s from 0, which number will you NOT say?
A) 30
B) 50
C) 75
D) 90
Counting by 10s from 0 gives 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100. You skip 75 because it is not a multiple of 10.
4. Sam counts by 2s starting at 0. He says six numbers. What is the last number he says?
A) 8
B) 10
C) 12
D) 14
Counting by 2s from 0, the six numbers are 2, 4, 6, 8, 10, 12. The last number is 12.
Part B: Fill in the Blank
Write the correct answer on each line.
1. Count by 10s: 40, 50, 60, 70, 80.
Counting by 10s, the next number after 70 is 70 + 10 = 80.
2. Count by 5s: 70, 75, 80, 85, 90.
Counting by 5s, the missing number between 80 and 90 is 80 + 5 = 85.
3. Count by 2s: 26, 28, 30, 32, 34.
Counting by 2s, the missing number between 30 and 34 is 30 + 2 = 32.
4. Count by 10s from 100: 100, 110, 120, 130.
Counting by 10s from 100, the missing number between 110 and 130 is 110 + 10 = 120.
5. Count by 5s: 40, 45, 50, 55, 60.
Counting by 5s, the missing number between 40 and 50 is 40 + 5 = 45.