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Cogito

Kindergarten Math · Chapter 6 · Lesson 2

Practice Worksheet

Building Teen Numbers

Making any teen number you like.

10 problems · about 9 minutes · K.NBT.A.1

NameDate

Figure — use these to answer the problems

Build seventeen. Ten in the first frame, seven in the second.

How many17

Counters17
The full ten10
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

4 problems

  1. From “Ten and Some More”

    18 is 10 and how many?

    Answer

  2. From “Sums That Make Ten”

    3 + ? = 10

    Answer

  3. From “Five and Some More”

    8 is 5 and how many?

    Answer

  4. From “Pairs That Make Ten”

    4 and how many make 10?

    Answer

Warm Up

Straightforward practice. Get the method working first.

3 problems

  1. 10 + 5 = ?

    Answer

  2. 10 + 4 = ?

    Answer

  3. 10 + 8 = ?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. 10 + ? = 13

    Answer

  2. 10 + ? = 19

    Answer

Stretch Yourself

Mixed problems. Work out what kind of question it is before you start.

1 problem

  1. The Sticker Sheet

    A sheet of ten stickers and six loose ones. How many?

    Answer