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2nd grade · Math · Unit 10 of 17

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.

Alabama Course of Study content standard: 2.7 · counting by fives, tens and hundreds

How we explain it

Children can open this short lesson before they practice.

  1. Find the jump between the numbers.
  2. Count forward by adding it. Count back by taking it away.
  3. 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 Alabama

In the Alabama Course of Study, this is unit 10 of 17 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: Alabama State Department of Education (ALSDE)

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    Count by 10s: 10, 20, 30, __

    • 31
    • 40
    • 50

  2. Question 2

    Count by 5s: 50, 55, 60, __

    • 61
    • 70
    • 65

  3. Question 3

    Count back by 5s: 60, 55, 50, __

    • 40
    • 49
    • 45

  4. Question 4

    Which number is missing? 2, 4, __, 8, 10

    • 7
    • 5
    • 6

  5. Question 5

    Count back by 2s: 12, 10, 8, __

    • 6
    • 4
    • 7

  6. Question 6

    You have 5 hands. Each hand has 5 fingers. Count by 5s: how many fingers in all?

    • 30
    • 25
    • 20

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