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1st grade · Math · Unit 3 of 16

Count It Up

Count on, count back and skip count!

What your child practices

Counting forward within 100, back from 20, by 2s to 20, and by 5s and 10s to 100, plus seeing small amounts at a glance (subitizing).

Texas Essential Knowledge and Skills (TEKS) teks student expectation: 1.2(A); 1.5(A); 1.5(B) · recognizing quantities at a glance, counting forward and back, and skip counting by 2s, 5s and 10s

How we explain it

Children can open this short lesson before they practice.

  1. Skip count by 2s, 5s or 10s.
  2. Find how much the number grows each time.
  3. Keep adding that much to find the next number.

Example: Count by 5s: 15, 20, 25, 30, ? Each step adds 5. 30 + 5 = 35. Answer: 35

Count It Up in Texas

In the Texas Essential Knowledge and Skills (TEKS), this is unit 3 of 16 in 1st grade Math, after Numbers to 100 and before Jump by Tens.

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: Texas Education Agency (TEA)

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

    Take a quick look. How many 📚?

    • 10
    • 2
    • 7

  2. Question 2

    Take a quick look. How many 🐟?

    • 9
    • 5
    • 3

  3. Question 3

    Count by 5s: 0, 5, 10, 15, ?

    • 15
    • 16
    • 9

  4. Question 4

    Count back. What number comes next?

    8, 7, 6,

    • 4
    • 5
    • 7

  5. Question 5

    Count by 2s. What number is missing?

    0, 2, 4, , 8, 10

    • 12
    • 6
    • 8

  6. Question 6

    Count on. What number comes next?

    10, 11, 12,

    • 17
    • 13
    • 10

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