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Cogito

Grade 1 Math · Chapter 10 · Lesson 1

Practice Worksheet

How Many More? How Many Fewer?

Match two groups up and see what is left over.

10 problems · about 12 minutes · 1.OA.A.1

NameDate

Figure — use these to answer the problems

Count how many are in each group, then find the difference.
Ana8
Leo5

8 is greater than 5.

Ana8
Leo5
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

4 problems

  1. From “Telling Time to the Half Hour”

    How many minutes is half an hour?

    Answer

  2. From “Telling Time to the Hour”

    Short hand on 4, long hand up. What hour?

    Answer

  3. From “Fourths and Quarters”

    How many fourths make one whole?

    Answer

  4. From “Halves”

    How many equal shares are in a half?

    Answer

Warm Up

Straightforward practice. Get the method working first.

3 problems

  1. 10 birds and 6 cats. How many more birds?

    Answer

  2. In a compare problem, is anything added or taken away?

    • No. The groups just sit there.
    • Yes. Something is taken away.

  3. 7 red and 3 blue. How many more red?

    Answer

Build It Up

The same ideas with more to keep track of.

1 problem

  1. 6 cats and 9 dogs. How many fewer cats?

    Answer

Stretch Yourself

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

2 problems

  1. 5 apples and 5 pears. How many more apples?

    Answer

  2. In the Playground

    9 children on the swings and 4 on the slide. How many more?

    Answermore