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Cogito

Grade 1 Math · Chapter 4 · Lesson 2

Practice Worksheet

Ten and Some More

Every teen number is a ten with a few left over.

10 problems · about 11 minutes · 1.NBT.B.2.b

NameDate

Figure — use these to answer the problems

Fill past ten. The first frame fills before the second starts.

How many14

Counters14
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

5 problems

  1. From “Ten Ones Make One Ten”

    How many ones are in one ten?

    Answer

  2. From “Adding and Subtracting to Ten”

    7 − 2 = ?

    Answer

  3. From “Subtracting From Ten”

    10 − 6 = ?

    Answer

  4. From “Taking Nothing and Taking All”

    10 − 10 = ?

    Answer

  5. From “Fact Families”

    You know 4 + 5 = 9. What is 9 − 4?

    Answer

Warm Up

Straightforward practice. Get the method working first.

3 problems

  1. 10 + 2 = ?

    Answer

  2. 10 + 9 = ?

    Answer

  3. 10 + 4 = ?

    Answer

Build It Up

The same ideas with more to keep track of.

1 problem

  1. 10 + 7 = ?

    Answer

Stretch Yourself

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

1 problem

  1. Counting Buttons

    Leo has one full ten of buttons and 5 loose ones. How many buttons?

    Answerbuttons