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Kindergarten · Math · Unit 9 of 10

Count to 100

Count by ones and tens

What your child practices

Counting to 100 by ones and by tens, counting on from any number, and seeing 11 to 19 as ten and some more ones.

Washington State Learning Standards learning standard: M.K.Q.CC.1; M.K.Q.CC.2; M.K.R.NBT.1 · counting to 100 by ones and tens, counting on from a given number, and teen numbers as ten ones and some more ones

How we explain it

Children can open this short lesson before they practice.

  1. Count by tens: 10, 20, 30 ... 100.
  2. You can start counting at any number.
  3. 11 to 19 are ten and some more ones.

Example: 10 and 4 more. What number is that? Ten ones fill the frame. 4 more make 14. Answer: 14

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

    Start at 24. Count on. What number comes next?

    • 23
    • 26
    • 25
    • 34

  2. Question 2

    Count by tens: 10, 20, 30, ? What comes next?

    • 40
    • 39
    • 50
    • 41

  3. Question 3

    10 and 6 more. What number is that?

    • 17
    • 16
    • 6
    • 15

  4. Question 4

    What number comes just before 36?

    • 26
    • 35
    • 34
    • 37

  5. Question 5

    37, 38, 39, ? What number comes next?

    • 41
    • 49
    • 39
    • 40

  6. Question 6

    13 is 10 and how many more?

    • 3
    • 13
    • 4
    • 10

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