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Cogito

Grade 1 Math · Chapter 1 · Lesson 6

Practice Worksheet

Partners to Ten

Know fast how many more you need to make ten.

10 problems · about 13 minutes · 1.OA.C.6, 1.OA.D.8

NameDate

Figure — use these to answer the problems

Tap a cell or change the number. How many more would make ten?
Counters7
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

4 problems

  1. From “All the Ways to Make 8 and 9”

    5 and what make 8?

    Answer

  2. From “All the Ways to Make 6 and 7”

    4 and what make 6?

    Answer

  3. From “Number Bonds”

    The whole is 6. One part is 2. What is the other part?

    Answer

  4. From “Five and Some More”

    A full five and 3 more. How many is that?

    Answer

Warm Up

Straightforward practice. Get the method working first.

3 problems

  1. How many more would make ten?

    Counters4
    Answer

  2. 7 and what make 10?

    Answer

  3. 8 and what make 10?

    Answer

Build It Up

The same ideas with more to keep track of.

1 problem

  1. 5 and what make 10?

    Answer

Stretch Yourself

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

2 problems

  1. 9 and what make 10?

    Answer

  2. Egg Box

    An egg box holds 10. There are 6 eggs in it. How many more fit?

    Answereggs