Skip Counting Introduction — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. Skip count by 2s: 2, 4, 6, 8, 10.
Counting by twos goes from four to six, then six to eight clearly.
2. Skip count by 5s: 5, 10, 15, 20.
Ten plus five equals fifteen, then fifteen plus five reaches twenty next.
3. Skip count by 10s: 10, 20, 30, 40.
Twenty plus ten makes thirty, and thirty plus ten reaches forty correctly.
4. Skip count by 2s: 6, 8, 10, 12.
Counting up by twos, eight leads to ten, and ten leads to twelve next.
5. Skip count by 5s: 15, 20, 25, 30.
Adding five to twenty makes twenty-five, then twenty-five plus five is thirty.
6. Skip count by 10s: 30, 40, 50, 60.
Forty plus ten equals fifty, and fifty plus ten reaches sixty cleanly.
7. Skip count by 2s: 12, 14, 16, 18.
Going up by twos, twelve plus two equals fourteen, then sixteen comes next.
8. Skip count by 5s: 25, 30, 35, 40.
Thirty-five plus five equals forty, the next number after thirty-five clearly.
9. Skip count by 10s: 50, 60, 70, 80.
Adding ten to seventy gives eighty, the next ten on our chart.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
Count by 2s: 2, 4, 6, ?
→ 8
8
Count by 5s: 5, 10, 15, ?
→ 20
20
Count by 10s: 10, 20, 30, ?
→ 40
40
Count by 2s: 8, 10, 12, ?
→ 14
14
Each sequence adds the same number every step, leading to the next answer.