2nd grade · Math · Unit 9 of 16
Skip Counting
Count by 2s, 5s and 10s, forward and back.
What your child practices
Skip counting by 2s, 5s and 10s forward and backward from 0 to 100, using a hundred chart or number line.
Maine Learning Results learning standard: 2.NBT.A.2 · skip-counting by 5s, 10s and 100s
How we explain it
Children can open this short lesson before they practice.
- Find the jump between the numbers.
- Count forward by adding it. Count back by taking it away.
- Check the pattern with the next number.
Example: Count back by 5s: 30, 25, 20, ? Each step takes away 5. 20 − 5 = 15. Answer: 15
Skip Counting in Maine
In the Maine Learning Results, this is unit 9 of 16 in 2nd grade Math, after Fractions of a Whole and before Even, Odd and Ordinals.
Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.
Source: Maine Department of Education
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
Count by 5s: 25, 30, 35, __
- 36
- 45
- 40
40
Hint: Add 5 each time. 35 and 5 more is 40.
Question 2
Count by 2s: 10, 12, 14, __
- 18
- 15
- 16
16
Hint: Add 2 each time. 14 and 2 more is 16.
Question 3
Count by 5s: 5, 10, 15, __
- 20
- 16
- 25
20
Hint: Add 5 each time. 15 and 5 more is 20.
Question 4
Which number comes next? 15, 20, 25, 30, __
- 35
- 31
- 40
35
Hint: These numbers go up by 5.
Question 5
Count by 5s: 50, 55, 60, __
- 65
- 70
- 61
65
Hint: Add 5 each time. 60 and 5 more is 65.
Question 6
You have 5 hands. Each hand has 5 fingers. Count by 5s: how many fingers in all?
- 30
- 20
- 25
25
Hint: Count by 5s five times: 5, 10, 15, 20, 25.