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Cogito

Grade 2 Math · Chapter 1 · Lesson 3

Practice Worksheet

Make Ten to Add

Get to ten first, then add what is left.

10 problems · about 12 minutes · 2.OA.B.2

NameDate

Figure — use these to answer the problems

Move counters across to fill the first ten, then read what is left.
First ten
The rest
First number8
Second number5
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “Near Doubles”

    8 + 9 = ?

    Answer

  2. From “Doubles”

    7 + 7 = ?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. 9 + 8 = ?

    Answer

  2. In 7 + 8, which number is easier to fill to ten?

    • The 8. It only needs 2.
    • The 7. It needs 3.

  3. 9 + 4 = ?

    Answer

  4. 8 + 7 = ?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. 7 + 6 = ?

    Answer

  2. 5 + 9 = ?

    Answer

Stretch Yourself

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

2 problems

  1. Fruit Bowl

    There are 9 apples and 7 oranges in a bowl. How many pieces of fruit are there?

    Answerpieces

  2. Reading Time

    Leo read 8 pages before lunch and 6 after. How many pages did he read?

    Answerpages